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November 29th, 2024

Pistol Powder in Rifle Case — Yes It Was a Bloody Disaster

Varget Kaboom TiteGroup Hand injury reloading fingers accident

This is a grim tale. A man almost lost the use of his right hand, and did suffer terrible injuries to his fingers. All because he picked the wrong bottle of powder off the shelf. We have run this story before, and we will continue to run it every year, as a caution to our readers. This mistake is easy to make, but the consequences can be dire. Always, always double-check your powder labels before you start the hand-loading process. If you don’t, you may not have a hand to load with next time…

Similar Labels, Disasterous Consequences
The shooter, Denny K., was assembling some rounds for his brand new 7mm-08 Savage hunting rifle. He thought he was loading with Hodgdon Varget. Instead he had filled his powder measure with Hodgdon TiteGroup, a fast-burning pistol powder. The labels are similar, so the mistake is understandable. But the results were devastating. Here’s what 41 grains of TiteGroup can do in a 7mm-08:

Varget Kaboom TiteGroup Hand injury reloading fingers accident

Posting on the Firing Line, in a thread entitled “Lucky to Be Alive”, Denny writes:

“This is the hardest post to post. I know if I had read it a week ago my comment would have been: ‘You have no business reloading’. I had everything perfect, except pouring the wrong powder in the powder measure. I type this slowly with my left hand, embarrassed but … possibly saving someone else a tragedy or, like me, a long drive to the Emergency Room and surgery to save my finger.”

CLICK HERE for bigger, more graphic photo of injury.
Varget Kaboom TiteGroup Hand injury reloading fingers accident

The Still-Sealed Bottle of Varget
Denny did not initially comprehend exactly why the kaboom happened. He thought maybe his new Savage rifle was at fault. Then, on his return home, he discovered something…

Denny wrote: “The seven-hour period it took to go to ER, transport to Trauma Center and surgery made me think it was a Savage rifle issue. Brand new rifle, new brass, triple-checked loading data. The next day I was humbled when I realized the Varget powder was still sealed.

I knew what powder to use. I thought [Varget] was what I used. Not until the following day did I realize the Varget was still sealed.”

At that point, Denny realized what caused the accident — “operator error”. He knew he had to warn others about using the wrong powder: “I knew I needed to share my mistake, even though it is embarrassing, just to remind people. I’ve been reloading for 30 years…”

Editor’s Comment: Denny was not a novice reloader. His experience demonstrates that this kind of mistake can be made by any hand-loader, even one with decades of experience. Be safe guys, take your time when you load your ammo. Remove powders from measures after your loading sessions (pistol powders can look very similar to rifle powders). And by all means CHECK the LABEL on the jug. As the TiteGroup label says: “A little goes a long way.”

It’s not a bad idea to separate your pistol powders from your rifle powders, or perhaps even load for pistol in a separate part of your workshop.

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September 8th, 2024

Sunday GunDay: 6mm Dasher F-Classer — Winning Budget Build

Bob A. 6mm Dasher Sacramento F-Class March Madness

With the 6mm Dasher cartridge becoming popular with PRS/NRL competitors as well as the benchrest crowd, we thought it was time to re-visit a special rifle chambered for the 6mm Dasher wildcat. This gun has a great story behind it. Forum member Bob A. (aka “Killshot”) used his “Forum Classifieds Special” to beat all comers in the F-Class Division in the American-Canadian Match and the Long Range Regional Match in 2013 in Sacramento, CA.

Bob’s 6mm Dasher sports a blue-printed Rem 700 action. Who says you need a high-dollar custom action to run with the big dogs? In fact, this same gun, built with components sourced from AccurateShooter Forum Classified Ads, set a Sacramento F-Class range record of 200-17X a few years back. In this story, Bob talks about the build, and he explains his methods for loading ultra-accurate Dasher ammo.

Bob A. 6mm Dasher Sacramento F-Class March Madness

Bob’s Budget-Build Dasher F-Classer
I wanted to build a proper rifle for F-Open but needed to keep it simple and, well, cheap. I found a solid “base” to build on in the form of a Dave Bruno-built, “pre-owned” 6-6.5×47 Lapua that I located in the AccurateShooter Forum classifieds in late 2011. The base action was a trued and blue-printed Remington 700 receiver circa 1971 with a spiral-fluted bolt. It was in a Shehane ST1000 stock painted sky blue and had a Jewell 1.5-oz BR trigger. I sent the bolt to Greg Tannel (Gretanrifles.com) to have the firing pin hole bushed and sleeved, the ejector removed and the hole filled and the face trued. I upgraded to Tannel’s Light Steel firing pin assembly while it was out.

Having the working bits completed, I needed a barrel. So I went to the AccurateShooter classifieds again and found a 1:8″-twist, 30″ x 1.25″ (diam.) Bartlein with a 0.236″-land bore. I called Dave Kiff and explained my pursuit and he recommended his PT&G “world record” 6 Dasher reamer (.2704″ no-turn neck and .104″ freebore). A month or so later the reamer and gauges arrived.

I had the barrel chambered by Marc Soulie of Spartan Precision Rifles (510-755-5293, Concord, CA). Marc is a great builder and I’m pleased to call him a friend.

Bob A. 6mm Dasher Sacramento F-Class March Madness

The rifle got its good looks from a Pennsylvania artist named Kenny Prahl. His Prahl Designs shop (724-478-2538) added the white ghost-flames over the existing sky blue metallic paint.

Looks Great, Shoots Better
Fire-forming showed great promise — ten-shot groups of half an inch at 200 yards were typical. I lost only one case to a split neck and the “blow lengths” are good and consistent. This was followed up with load development which saw 100-yard, five-shot groups in the .1s and .2s as the rifle showed its preference for Reloder 15 over Varget powder, and for CCI 450s over all other primers. The bullet of choice was the ever-popular Berger 105gr Hybrid Target.

Bob A. 6mm Dasher Sacramento F-Class March Madness

In February 2012 I began shooting the Dasher in monthly club matches at the Sacramento Valley Shooting Center, the home range of a number of excellent F-Class, Benchrest and High Power shooters. Using a Farley Coaxial rest up front (also picked up from a WTB ad on AccurateShooter’s Forum) and an Edgewood bag in the back, I gradually improved my gun-handling to the point where I could shoot a respectable score. This was very different from the bipod shooting I’d done in the past in F/TR.

Bob A. 6mm Dasher Sacramento F-Class March Madness


Bob A. 6mm Dasher Sacramento F-Class March MadnessDasher Loading Tips
My chamber is set up for blue box Lapua 6mmBR brass. My case preparation is straight-forward. I fire-form with virgin cases right out of the box. I don’t size them but I will give the primer holes a good look and clean up the flash hole with a .058″ bit in a pin vise. To fire-form, I seat a Berger 108gr BT .030″ into the lands over a standard 6mmBR load of Varget.

For match loads, I use Alliant Reloder 15. While Varget is less sensitive to temp changes, RL15 has given me lower extreme spreads and better long range control. [Bob acknowledges that every barrel is unique, so a different powder, such as H4895 might work better for you.]

I clean my fired cases with stainless steel media in a Thumler’s rotary tumbler after every firing. I anneal after every other firing using a Bench-Source machine which is very well made and easy to operate. I use a Whidden full length bushing die with Redding bushings for sizing.

After sizing, I chamfer the inside of the neck with the K&M tool which has a pilot rod centered in the flash hole. Then I’ll give the neck and mouth a “once over” with some 0000 steel wool. I finish loading off with a Redding Competition Seating Die with the micrometer top.

Bob A. 6mm Dasher Sacramento F-Class March MadnessI use a carbide ball on the expander rod of the full length sizing die. I use a .266″ TiN-coated bushing and the ball just kisses the inside walls of the sized neck. I get very consistent neck tension this way and have had no issue with split necks.

Seating Depth Considerations
With fire-formed brass, the junction of the bullet’s bearing surface and boat-tail is above the neck/shoulder junction of the case, so I have no issues with donuts. You can see how a loaded round looks in the photo at left. For occasional trimming, I use a very nice little Possum Hollow trimmer that indexes on the case shoulder.

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June 20th, 2024

Beat the Heat — Endeavor to Keep Your Ammo Cool in Summer

Heat Map USA color chart

Today, June 20, 2024 is Summer Solstice, the longest day of the year. And right now the Northeast USA is undergoing a major heatwave. That means “peak heat” summer conditions have arrived already. It’s vitally important to keep your ammo at “normal” temps during the hot summer months. Even if you use “temp-insensitive” powders, studies suggest that pressures can still rise dramatically when the entire cartridge gets hot, possibly because of primer heating.

It’s smart to keep your loaded ammo in an insulated storage unit, possibly with a Blue Ice Cool Pak if you expect it to get quite hot. Don’t leave your ammo in the car or truck — temps can exceed 140° in a vehicle parked in the sun.

Ammo cool storage

Bosch Insulated tool caseThe way ambient temperatures, barrel heating, and powder warming can affect cartridge pressures (and hence velocities) was covered in a study Pressure Factors: How Temperature, Powder, and Primer Affect Pressure by Denton Bramwell. In that article, the author used a pressure trace instrument to analyze how temperature affects ammo performance. Bramwell’s tests yielded some fascinating results.

For example, barrel temperature was a key factor: “Both barrel temperature and powder temperature are important variables, and they are not the same variable. If you fail to take barrel temperature into account while doing pressure testing, your test results will be very significantly affected. The effect of barrel temperature is around 204 PSI per F° for the Varget load. If you’re not controlling barrel temperature, you about as well might not bother controlling powder temperature, either. In the cases investigated, barrel temperature is a much stronger variable than powder temperature.”

This Editor had the personal experience of 6mmBR hand-loaded ammo that was allowed to sit in the hot sun for 45 minutes while steel targets were reset. The brass became quite warm to the touch, meaning the casings were well over 120° on the outside. When I then shot this ammo, the bullets impacted well high at 600 yards (compared to earlier in the day). Using a Magnetospeed, I then chron-tested the sun-heated ammo. The hot ammo’s velocity FPS had increased very significantly — all because I had left the ammo out in the hot sun uncovered for 3/4 of an hour.

LESSON: Keep your ammo cool! Keep loaded ammo in the shade, preferably under cover or in an insulated container. You can use a SEALED cool pack inside the container, but we do NOT recommend H20 ice packs. And don’t have the container do double duty for food and beverages.

Powder Heat Sensitivity Comparison Test

Our friend Cal Zant of the Precision Rifle Blog has published a fascinating comparison test of four powders: Hodgdon H4350, Hodgdon Varget, IMR 4451, and IMR 4166. The first two are Hodgdon Extreme powders, while the latter two are part of IMR’s Enduron line of propellants.


CLICK HERE to VIEW FULL POWDER TEST RESULTS »

The testers measured the velocity of the powders over a wide temperature range, from 25° F to 140° F. Hodgdon H4350 proved to be the most temp stable of the four powders tested. [NOTE: New Alliant Reloder TS 15.5 has also proved very temp stable in AccurateShooter’s range tests.]

Precision Rifle Blog Temperature Stability test hodgdon varget H4350 Enduron IMR 4451

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June 8th, 2024

Switching Primer Types CAN Change Pressure and Velocity

Primer Wolf CCI Federal Muzzle velocity FPS reloading

We are often asked “Can I get more velocity by switching primer types?” The answer is “maybe”. The important thing to know is that changing primer types can alter your load’s performance in many ways — velocity average, velocity variance (ES/SD), accuracy, and pressure. Because there are so many variables involved you can’t really predict whether one primer type is going to be better or worse than another. This will depend on your cartridge, your powder, your barrel, and even the mechanics of your firing pin system.

BE SAFE: Be cautious when changing primer types. Glen Zediker recommended decreasing your load ONE FULL GRAIN when changing to a different primer type, one that you haven’t used before.

Interestingly, however, a shooter on another forum did a test with his .308 Win semi-auto. Using Hodgdon Varget powder and Sierra 155gr MatchKing bullets, he found that Wolf Large Rifle primers gave slightly higher velocities than did CCI-BR2s. Interestingly, the amount of extra speed (provided by the Wolfs) increased as charge weight went up, though the middle value had the largest speed variance. The shooter observed: “The Wolf primers seemed to be obviously hotter and they had about the same or possibly better ES average.” See table:

Varget .308 load 45.5 grains 46.0 grains 46.5 grains
CCI BR2 Primers 2751 fps 2761 fps 2783 fps
Wolf LR Primers 2757 fps 2780 fps 2798 fps
Speed Delta 6 fps 19 fps 15 fps

You can’t extrapolate too much from the table above. This describes just one gun, one powder, and one bullet. Your Mileage May Vary (YMMV) as they say. However, this illustration does show that by substituting one component you may see significant changes. Provided it can be repeated in multiple chrono runs, an increase of 19 fps (with the 46.0 grain powder load) is meaningful. An extra 20 fps or so may yield a more optimal accuracy node or “sweet spot” that produces better groups. (Though faster is certainly NOT always better for accuracy — you have to test to find out.)

WARNING: When switching primers, you should exercise caution. More speed may be attractive, but you have to consider that the “speedier” primer choice may also produce more pressure. Therefore, you must carefully monitor pressure signs whenever changing ANY component in a load. In his books, the late Glen Zediker recommended decreasing your load ONE FULL GRAIN when changing to a different primer type, one that you haven’t used before.

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April 3rd, 2024

Learn Reloading Basics with Hodgdon Instructional Videos

Hodgdon Reloading Center Video

Hodgdon Reloading Center VideoHodgdon Powder Company (Hodgdon) offers a series of professionally-produced, “how-to” instructional videos on its online Reloading Data Center. These 3.5-minute videos present rifle, pistol, and shotshell reloading basics in an easy-to-understand, step-by-step format. These mobile-friendly, informative videos can also be viewed on a smart phone or tablet.

Along with these videos, you’ll find a ton of useful information on Hodgdon’s updated Reloading Data Center at hodgdon.com. From the landing page choose rifle, pistol, shotgun, or muzzle-loader, and then click “Get Details”. This will launch a page where you can find loads by selecting Cartridge, Bullet Weight, Powder Maker, and Powder Type (such as Varget or H4350).

Click to Watch Hodgdon Rifle Reloading Video:

Click to Watch Hodgdon Pistol Reloading Video:

In addition to these videos, Hodgdon’s Reloading Data Center (RDC) provides a wealth of information on Hodgdon®, IMR®, Accurate, Ramshot®, and Winchester® propellants. Along with reliable load data, you’ll find explanations of reloading basics, safety procedures, plus answers to frequently asked questions (FAQ).

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January 6th, 2024

Long-Term Powder Storage — Important Guidelines to Follow

Western Powders Blog SAAMI Storage

SUMMARY: Powder can have a very long shelf life. You need to watch for changes in smell and color. A reddish tinge, almost like rust on the powder, is a bad sign, as is a foul odor, not to be confused with a normal chemical smell. Either of these signs indicate it is time to dispose of your powder by means other than shooting.

Ever wondered about the stability of the propellants in your reloading room? There are some important things you should know about powder storage, to ensure consistent powder performance and safety. Western Powders (which has been acquired by Hodgdon) published an informative Q & A series entitled Dear Labby: Questions for our Ballistics Lab . Here are some excerpts that pertain to powder storage and shelf life. Worried that your powder may be too old? Western’s experts explain how to check your propellants for warning signs.

Proper Powder Storage

Q: I live in southern Arizona where it is very hot. I am told powders will become unstable if stored in an area not air-conditioned. My wife says no powder or primers in the house. Can powder be stored in a refrigerator? What about using a fireproof safe? I would appreciate your ideas. — M.C.

Lab Answer: SAAMI guidelines are pretty clear on issues of storage. They recommend storing smokeless powder in containers that will not allow pressure to build if the powder is ignited — ruling out gun safes and refrigerators.

CLICK HERE to Read SAAMI Guidelines for Powder Storage (PDF)

In their original containers, the lifespan of smokeless powders is quite long, even in hot, arid climates. In fact the lifespan is typically longer than the average handloader would need to store them. Stored safely in a garage or outbuilding, your powder should last years. If you see the powder developing a reddish tint, or giving off a foul odor, it is time to discard it.

Clumps in Powder Container

Q: I ordered some of your Accurate 1680 powder back about in December. I just now opened it … and it is full of clumps. My knowledge tells me that means moisture. Am I wrong? I just now broke the seal and it has been stored in a ammo can with desiccant packs around it and a dehumidifier running 14-16 hours a day. I can’t imagine this being my fault, if this does indicate moisture. I don’t know if the pink part on the label is suppose to be red or not, but it is definitely pink, so if it was red I am wondering if I was shipped an old container? I hope that this isn’t bad and I am stuck with it…

Lab Answer: All powder contains a certain amount of moisture. When the powder is stored or during shipping, it can go through temperature cycles. During the cycling, the moisture can be pulled to the surface and cause clumping. Clumping can also be caused by static electricity if too dry or the powder has limited graphite content. You can break up the clumps before metering and they shouldn’t be a problem. This will not affect the powder performance, so your product is fine. Accurate 1680 labels are designed in Pink. As a side note, specification for testing powder is at 70° F and 60% humidity.

Shelf Life and Packaging Dates

Q: Does powder ever get to old to use and what identifying marks does your company put on the canister for when it is made, You have helped me out a while ago when I asked about keeping my cowboy shooting under 950 fps and it works great less stress on the hand and the recoil is very minimum. — R.B.

Lab Answer: On one pound bottles, the number is on the corner in a silver box. If the powder was poured today, it would read 012815 followed by a lot number. The whole number would look something like 012815749. Eight pound bottles have a sticker on the bottom with an obvious date code. The lot number appears above the date.

Western Powders Blog SAAMI Storage

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January 1st, 2024

BargainFinder 432: AccurateShooter’s Deals of the Week

AccurateShooter Deals of the Week Weekly Bargain Finder Sale Discount Savings

At the request of our readers, we provide select “Deals of the Week”. Every Sunday afternoon or Monday morning we offer our Best Bargain selections. Here are some of the best deals on firearms, hardware, reloading components, optics, and shooting accessories. Be aware that sale prices are subject to change, and once clearance inventory is sold, it’s gone for good. You snooze you lose.

NOTE: All listed products are for sale to persons 18 years of age or older. No products are intended for use by minors.

This week we mark a special milestone of bargains and discounts. To celebrate the first day of 2024, we are boosting the number of deals listed, for a total of TWENTY-FOUR great deals for 2024!

The Frankford Arsenal Intellidropper powder scale/dispenser has earned positive owner reviews. This unit is FAST, and you can program your loads with a smart-phone App. Get it now for $179.99 at Midsouth, a great deal.

Teslong borescope rigid regular sale

Everyone needs a borescope to check barrel fouling. Teslong makes very good borescopes. Get the Basic Model for $55.99 or get the Rigid Model for $99.99 with a metal shaft. Both work well.

springfield armory rifle .22 LR viridian scope

Here’s a nice .22 LR bolt-action rifle for just $399.99 on sale. This Springfield Armory 2020 rifles comes complete with installed Viridian EON 3-9x40mm scope.

feastoria dual soft gun case backpack hunting carbine 42

This dual-mode rifle case for hunters and tactical shooters boasts comfortable shoulder straps, plus large external pockets. This case is offered in green or black in 36″, 42″, and 51″ sizes. The 36″ model starts at $55.95 on Amazon.

2024 deals of week taurus G3 pistol

Here’s a nice Taurus 9mm pistol with threaded muzzle for $299.99 at Brownells or just $269.99 with $30 Taurus Factory Rebate.

zeiss terra 10x15 TL binoculars

These compact ZEISS TL 10x25mm binoculars are now just $199.99 on sale at MidwayUSA. That’s $200 off the MSRP — an amazing bargain for very high quality binoculars.

vortex diamondback spotting scope spotter sale 20-60x60mm 20-80x

Every serious shooter needs a good spotting scope. Get a quality Vortex 20-60x60mm Diamondback spotter for just $249.99 at MidwayUSA. Or get the larger 20-60x80mm spotting scope for $324.99.

ear muff shooting sale

Protect your ears while hearing those around you with these Walker Electronic Muffs with Walkie Talkie. These slim muffs include a Walkie-Talkie attachment and have a 23db NRR rating. These sell for over $110 elsewhere.

hornady press sale

Here’s a killer deal on rimfire plinking ammo. You get 2000 rounds of Aguila Super Extra .22 HiVel 40gr ammo for just $114.99! That works out to just $2.88 per 50rd box or less than $0.06 per round. Plus you get FREE Shipping on 1/1/2024.

rifle trigger sale

The Hornady RFID Vehicle Safe offers rapid handgun access without a conventional key or keyboard entry. Right now this Hornady RFID vehicle safe is just $89.00, a 60% savings off the normal $224.99 price.

graf's varget powder sale

Varget powder is a great choice for .223 Rem, 6BR, 6mm Creedmoor, .308 Win. But it has been very hard to find. Graf’s has Varget in stock $50.99 per pound. Grab some now.

shooting target sale

Simple targets are hard to beat at the range. We love these Champion Sight-In Targets for only $3. Grab a bunch and go have some fun.

Frankford Arsenal F-1 Single Stage Reloading Press

The Frankford Arsenal F-1 single-stage press has great reviews from buyers. The open front offers excellent access for cartridges and operation is smooth. Get this on sale for $128.99 at Midsouth.

electronic bluetooth ear protection plugs walkers

Walker’s Electronic Earplugs with BlueTooth are now just $149.99, a $100 savings. These plugs provide good NRR 24 dB hearing protection while allowing you to hear range commands.

Frankford arsenal universal bullet seating die .224 .243 .264 .284 .308 .338 6mm 6.5mm 7mm

With this Frankford Universal Seating Die you can load NINE different bullet diameters: .224, .243, .257, .264, .277, .284, .308, .325, .338. Now $76.99 at Midsouth this kit includes micrometer stem, 9 bullet alignment sleeves, 3 VLD bullet seating stems, and molded storage case.

shooting target sale

Anyone with a gunsafe can benefit from this handy Lockdown Safe Accessory Pack. For just $9.99 (80% off), you get a Vault Light, Large Organizer, and Document holder for passports and ID cards.

mtm ammo ammunition container crate stackable

Here’s a great set-up for storing loaded ammunition and brass. The handy MTM 4-unit Ammo Crate comes with four stackable, O-ring sealed 30-Cal ammo containers. These will protect your ammo from moisture. The full crate measures measures 23.5″ L x 11.3″ W x 7.5″ H.

rifle storage silicone gun sock cover

You should cover your long guns in your safe to prevent rust and avoid dings/scratches. Right now for $23.99 on Amazon, you can get a multi-color set of four GMW 52″x4″ gun socks with silicone-treated fabric. Or get four gray socks for $24.99.

S&W pistol 9mm crimson trace laser

This is a great deal — Get a 9mm Smith & Wesson SD9VE pistol with built-in Crimson Trace Laser and extra night sights for just $299.99.

vortex diamondback binoculars

These 10-power Vortex Diamondback Binoculars are rubber-armored and 100% weatherproof with O-Ring seals. Get these for just $129.99, a $100 savings off the regular $229.99 price.

2024 deals of week burris eliminator laser rangefinder 4-16x50mm

The Burris Eliminator IV is a 4-16x50mm optic with a built-in Laser Rangefinder. This is great option for varmint hunters. This rangefinding scope is on sale for $1099.99 at MidwayUSA, a 37% savings.

shooting book sale

You have the equipment but do you have the skills to shoot in the wind? Grab The Wind Book and you’ll get tips and tricks from wind experts so you can dominate your next match.

gun cleaning kit amazon

This Gloryfire Elite Gun Cleaning Kit features brushes and brass jags for all popular calibers. It includes cleaning rod sections, patches, bore mops, pull cords, and even a chamber flag. This $69.99 kit has 79% 5-star ratings.

Federal 9mm pistol FMJ brass ammunition ammo

Get high-quality, American-made Federal 9x19mm brass-cased FMJ pistol ammo at a great price — just $14.99 for 50 rounds at Midsouth.

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October 15th, 2023

Sunday Gunday: Katy’s 6mmBR for Varmint Silhouette Matches

pala silhouette range california 6mmbr 6BR rifle

While there are many very, very talented women shooters, it’s still a bit unusual to see many ladies on a long-range firing line. It’s even more unusual to find a women shooter who regularly beats all the “good ol’ boys”. This week we feature Katy from California, who has competed in Varmint Silhouette matches with a very stylish and accurate Stolle 6BR. Along with husband/spotter Don (who shoots a 6mm Dasher), she has been one of “Top Guns” at the popular Pala Shooting Range in North San Diego County. Here’s a view of the Pala facility, looking down-range at the rows of silhouette targets:

pala silhouette range california 6mmbr 6BR rifle

Pala — A Mecca for Southern California Shooters
Near the Indian Casino and Resort in Pala, California is one of the longest rifle ranges in the state. Pala hosts a wide variety of shooting matches — cowboy action, lever action silhouette, black powder silhouette, hi-power silhouette, tactical pistol and rifle matches, to name a few. The black powder buffalo and tactical rifle matches use the longest range with 900-meter targets. Katy and her husband Don have competed in Varmint Rifle Silhouette matches, which were held monthly in years past. Range Info: Range.palatribe.com.

Katy tell us: “These Varmint Silhouette matches are a lot of fun! It’s very satisfying to see the little critters fly off the rail. A good spotter will note how the target flies when hit–‘Did it turn right or left? Did it lift up or fall back?’ Steel targets reveal more about real world ballistics than just a hole in a piece of paper. And nothing beats reactive targets for fun shooting.”

For Katy and Don, shooting is a family affair: “I started shooting the varmint rifle silhouette at the encouragement of husband Don. He bought/built himself a 6mmBR to shoot the varmint rifle match and re-barreled an old Hart-sleeved Remington 700 to fast-twist .223 for me to use. I did pretty well for a beginner, winning a match after just a few months of competition. Winning with that .223 had competitors scratching their heads. Frankly, it was just a fortuitous combination of great spotter, steady hold, and a good rifle. That .223 was certainly a very accurate piece. I always expected the bullet would hit right where the rifle was aimed, if we called the wind right. But like all good things, with time the .223’s accuracy began to fade. As the barrel finally gave up the ghost, a replacement was ready–a bright red Panda bear chambered in 6mm BR.

6br 6mmbr normaBeating the Guys at their Own Game
With my old .223, I won five varmint matches between December 2000 and April 2002. I also won my class (Master) in June, 2001. However, with the 6BR Panda, I shoot higher scores and have now had four match wins between May, 2003 and August 2004. And I won my class twice in 2003. Over time, as our competitors’ skills and firearms have improved, the criteria for shooter classification has been upgraded. Originally, one could miss 10% of the animals and qualify as a “Master” shooter. A few years ago, the criteria was tightened to 5% misses to earn “Master” status. This 6mmBR has kept me up in Master class.

I’ve done well enough with my little Red Panda that folks have been asking me about my shooting technique. Both Don and I shoot free recoil. We keep everything off the rifle except the trigger finger and thumb. Keep your shoulder back from the butt, and make sure your cheek doesn’t contact the stock and that your shooting cap doesn’t hit the scope. Fine-tune your elevation by squeezing on the rear bag. I use a front rest forearm stop to keep the rifle in the same place on the front rest. After firing, pushing the rifle back against the front stop usually verifies rifle tracking and allows a quick check of how far off the sighter shot’s impact was from point of aim.”

The Female Perspective — Katy’s Views on Shooting

We all know women can be crack shots. The little lady in the picture proved that more than a century ago. Competitive shooting is one of the few sports where women can and do compete head-to-head with men — and often win. [Amanda Elsenboss recently won the National High Power Championship and the National Long Range Championship. And Nancy Tompkins and her daughter Sherri Gallagher have won National shooting titles.] But the fact remains shooting is still very much a male-dominated sport. Here are some of my thoughts on how that might change.

Beneficial Aspects of Shooting
The first and most important benefit of competitive shooting is learning to handle a rifle/firearm safely. We’re well past the time when women should have conquered their fears of guns. An added benefit would be increasing a woman’s ability to respond to any threats. I remember when I was in college and we took my anti-gun roommate out to the range for a shooting lesson. She had a great time shooting away. She learned that firearms are not just “scary”, but also an enjoyable tool.

How to Get More Women Involved
Since we aren’t going to get the silencer legislation changed to improve women’s enjoyment of the sport, we will have to promote other aspects of shooting. I think shooting sports can increase self-confidence, giving women a sense of accomplishment and inner strength to remain calm under stress. It is very satisfying to see a positive result (at very long distance) of your focused efforts. Developing skill at any sport can improve one’s self-image and coordination. Encourage the women in your life to join you at the range. Believe it or not fellows, your wives and girl friends like to spend time with you. At Pala, some of the wives make the best spotters, even though they don’t shoot.

I find these varmint silhouette matches ideal from the standpoint of a woman’s participation. First, you get to lay down and shoot–that’s much more relaxed than classic position-shooting. Second, the really heavy rifle is supported on front and rear rests so that all you need to do is carefully guide the rifle, concentrate on the sight picture and pull the trigger when everything lines up. And, by the way, I clean house and prepare the meals, while my husband Don cleans the rifles and prepares the ammunition.

Dealing with Noise Pollution
The first thing a women notices at the range is how much noise these rifles make. How can anyone carry on a decent conversation, much less think with all the racket? Practice days are the worst–there is just constant gunfire with very few ceasefires. Matches are fine, because there is only gunfire during warm-up and then for 8 minutes during each relay. On the firing line, I wear both fitted earplugs and ear muffs to tolerate the decibels. Being heard and understood is always a problem during the match.

Shooters’ Techno-Babble–I Guess It Really Is a “Guy Thing”
One of my fellow female shooters commented that, at the range, the guys never seem to talk about anything but firearms and their accouterments at the range. Although I am familiar with the term “minutes of angle” I have gotten sloppy in my speech and generally just report how many clicks one needs to adjust for the wind or the sighter shot. Reading Don’s equipment discussion confused me when he kept referring to MOA. I have been with non-shooting friends several times when knowledgeable shooters start talking firearms. It is as if they are speaking a different language, and my friends look to me with a puzzlement on their faces. Well, in fact it has its own language and I think I’m getting finally getting able to speak it.

Katy’s 6BR — Technical Primer by Hubby and “Loadmaster” Don

Way back in 1990 a Precision Shooting magazine “Trading Post” advertisement offered a low-mileage, Panda-actioned .262″ neck, 6mm BR rifle and all the reloading accouterments. This light-varmint class rifle was built in the mid-1980’s around an unusual round Panda action with straight-fluted bolt. As configured, the gun had performed very well indeed–shooting many groups in the zeros. The action is glued into a Lee Six thumbhole BR stock and uses externally accessible pins to hang the 3 oz. trigger. The scope is an older 36X Leupold BR model, held by Kelbly rings on a Davidson base. The original barrel was a 4-groove, 14-twist, apparently made by Pat McMillan. A hand-written information tag taped to the underside of the barrel was discovered upon its removal, and indicates the barrel was fitted by JACO, April 1986. Anyone know who that is?

The 14-twist barrel could not stabilize any bullets greater than about 80 grains. It would keep an 80-grain Starke inside 0.4″ at 200m with a velocity of 3120 fps using 31.8 grains of Varget. However, the 80-grain bullets were blown all over by the winds out to 500 meters.

Past success with Pac-Nor pre-fit barrels inspired me to order a 28″, 4-groove, 8.6″-twist barrel chambered with their .262” neck 6mm BR reamer. Pac-Nor crowned and chambered the barrel; and, in this case, threaded it to fit a Panda action. After we installed the barrel on the action, we found that the bolt nose touched the conical barrel breech face. 0.010” needed to be removed from the cone face so that the bolt closed with a perfect fit. Headspace is now just right at 1.167″.

Load Development
My experience with a couple of other fast-twist 6BRs, one also chambered with Pac-Nor’s .262″ reamer, suggested that the 95gr Berger VLDs would work well the estimated 0.060″ freebore in Katy’s rifle. The goal was to get 2800-2900 fps velocity with inherent accuracy no worse than half the smallest silhouette size. That meant we needed a load that delivered repeatable 0.4 MOA accuracy or better.

A new batch of Lapua 6mm Norma BR brass was neck-turned to 0.0083″ wall thickness to fit the chamber and fire-formed during barrel break-in, following Pac-Nor’s guidelines. We tried a bunch of different moly-coated bullets at 200 meters, most with moderate charges of H322. The results of the bullet-testing ranged from poor (over an inch) to astonishing (68-grain, flat-base Eubers over 29.7 grains of H322 went into about .25″ at 200 meters!) But these flat-based bullets lacked the high ballistic coefficient we wanted for the varmint silhouette match. So we tried the 95-grain VLD Bergers (0.5+ BC) and produced several good loads, all sparked by Federal 205m primers. The best load seemed to be 28.2 grains H322 at 2860 fps, followed by 30.4 grains N135 at 2920fps, and 31.0 grains of Varget at 2890 fps.

All loads shot better than 0.4 MOA, but the H322 seemed a little more accurate, and about twice as much H322 was on hand. So, after about 120 shots the barrel was conditioned, brass formed and a match load selected for the 95 VLD Bergers. Bullets are seated about 0.010″ into the rifling for a typical cartridge LOA of 2.325”, which puts the heel of the 95 VLD boat-tail just below the case neck-shoulder line. Cases are sized with a Wilson neck bushing die that works only the upper 2/3 of the case neck to support the bearing surface of the seated bullet.

Katy pala shooting range san diego california 6mmBR

Don’s Handy Guide to Varmint Silhouette Shooting

Varmint Silhouette–Origins and Basics
Over a decade ago, a metallic silhouette match was devised for typical varmint rifles at the North County Shootist Association range near the hamlet of Pala, in north San Diego County, California. The course of fire used the conventional rifle silhouette range with banks of 10 special varmint targets sized 0.8 to 1.0 MOA (Minute of Angle) in width. At five different yardages, ten steel “critter” targets are set as follows: 200 Meters – Field Mice (“pikas”); 300 meters – Crows; 385 meters – Ground Squirrels; 500 meters – Jack Rabbits; 600 yards – Prairie Dogs. The folks at Pala run a tight ship, cycling multiple relays efficiently, so everybody gets to shoot 50 targets (10 each at five different yardages), and the show is usually completed by 1:00 pm. There’s a one-hour sight-in period starting at 8:00 am, and the match starts at 9:00 am sharp. Newcomers should definitely arrive no later than 7:45 am, because you may need that full sight-in period to acquire solid zeros at all five yardages.

Pala Reservation Silhouette Range 6mmbr 6BR varmint

pala range san diego californiaFirearms are limited to field-portable, varmint-caliber rifles in either custom or factory class, and having a maximum 6.5mm bore, but bullets must weigh no more than 107 grains. You can shoot prone or from a bench using a front rest and bag rear. For more information, visit Range.palatribe.com.

Match Rules and Shooting Procedures
Matches are fired as a team — shooter and spotter. The course of fire typically consists of 10 steel, knock-down varmint animal targets at each of the five distances. After firing a sighter, targets are taken from left to right, one shot per target. Missed targets remain standing. Any target struck out of sequence is also a “miss”. The shooter’s objective is to sequentially knock-off (clean) all 10 targets. The spotter’s duties are to support the shooter in all aspects of shot preparation. First and foremost, the spotter tries to see each shot impact and call appropriate windage and elevation adjustments for the shooter. In shifty conditions, a good spotter is vital.

Let’s start at the beginning. Before the match there is usually an opportunity to fire a few fouling shots and check sight settings for load and distance. An initial read on conditions–mostly wind direction, strength and consistency–is also made. The spotter should checklist the shooter to make sure they are set up for the relay distance and have adjusted their sights to the correct elevation and windage.

It could be argued that for the shooter, the first shot at a given distance, the sighter shot, is the most important shot fired. Since the sighter targets are fixed (don’t fall over) and freshly painted, bullet impact is obvious to both shooter and spotter. If the bullet hits where expected–point of aim–the spotter then tracks and calls observed changes (mostly wind) relative to the shooter’s initial scope settings. If point of impact shifts on subsequent record targets or the shooter misses, appropriate sight adjustments are recommended to the shooter. Admittedly, it is sometimes difficult or impossible to see the point of impact on these small, reactive targets. However, an estimate of bullet strike can be made from target behavior such as rotation and/or impact trajectory.

The Guacamole Connection
Katy and Don are avocado farmers. From time to time they’d bring a few avocados to the range to give to the other shooters. In addition, on some months, Katy would bring some home-made Guacamole made from the avocados on their ranch. Katy says “Fellow shooters appreciate a batch of guacamole so much they bring their own chips to go with the dip. I keep getting suggestions that I go into the business of making and selling guacamole. Guess I could start by selling it at the range.”

Katy’s Guacamole Recipe

4 ripe avocados, peeled and pitted
1/2 lemon squeezed (I use Meyer lemons, lime juice is also good)
1/2 cup fresh salsa — your favorite variety
1 tsp garlic salt or fresh garlic chopped

All of the above quantities can be adjusted for taste. Mash the ingredients with a potato masher. Serve with chips, fresh vegetables (carrot sticks, celery, broccoli), or as garnish for tacos, burritos, taquitos, etc., and as special treat – spread on warm buttered toast for breakfast.

Good Shooting and Bon Appetit! — Don & Katy

No reproduction of any content is allowed without advanced permission in writing.

Permalink - Articles, - Videos, Competition, Hunting/Varminting No Comments »
September 9th, 2023

Access Reliable Load INFO at Hodgdon Reloading Data Center

Hodgdon Reloading data Center hand loading powder

Hodgdon Reloading data Center hand loading powderHodgdon Reloading Data Center
Looking for a good load for a new rifle? Or perhaps you want to try a new powder and bullet combo for an existing rig. One of the best places to start for load data is Hodgdon’s online Reloading Data Center for pistol, rifle, and shotgun reloaders. Check out the Reloading Data Center at www.HodgdonReloading.com.

In the Data Center, you’ll find thousands of load recipes for pistol, rifle, and shotgun. Rifle shooters will find dozens of loads for their favorite Hodgdon, IMR, Accurate, Ramshot, and Winchester powders.

Benchrest, F-Class, Silhouette, ELR, and PRS/NRL competitors will find ultra-accurate loads for H4198, H4895, Varget, H4350, H4831sc, IMR 8208 XBR and other popular propellants. Hodgdon’s Reloading Center is “mobile-friendly” so it works well with smartphones and tables. Navigation is easy, and you can set the search criteria easily choosing your favorite powder or bullets. After choosing a cartridge, you can pre-select specific bullet weights and powder types. That quickly delivers just the information you want and need. You won’t have to scroll through scores of entries for bullets or powders you don’t use.

Hodgdon Reloading data Center hand loading powder
NOTE: This shows results for two bullet weights and two powder choices. With more powders and bullets selected you will get more results. The “BUY NOW” buttons link to the Hodgdon webstore.

Reloading Center is Smartphone-Friendly
Mobile users will notice that the current Hodgdon Reloading Center is “user-friendly” for smart-phone and tablet users. Controls have been optimized for touch-screens, and buttons are large and easy to use.

How to Get Started with Handloading

Getting started in Reloading? Ultimate Reloader offers a helpful introductory video that covers the basics. In addition, a recent Ultimate Reloader article reviews the types of reloading presses, plus the other gear you’ll need, from dies to powder dispensers.

Permalink Bullets, Brass, Ammo, Reloading, Tech Tip No Comments »
June 18th, 2023

Sunday GunDay: 6BR Brothers in Arms — Pair of 6mmBR Rifles

6mm BR light & heavy gun

What’s better than a super-accurate 6BR rifle? Well, two super-accurate 6BRs. This week we feature a pair of tack-drivers owned Forum member Mark Schronce. These “Brothers in Arms” share similar stocks, but otherwise the components are different. Mark’s 17-lb gray laminate Light Gun features a Hall action, HV taper barrel, and muzzle brake. The 21-lb Heavy Gun, in “Desert Camo” laminate, boasts a trick dual-port BAT action, and full-contour 30″ barrel without brake. Both guns shoot tiny groups, track like they’re on rails, and give Mark a serious hardware advantage in club competition.

Mark provides this report: “The Light Gun started as my 22-250 AI varmint gun, with a Hall action and McMillan Hunter Benchrest stock. I wanted to build a proper Egg Shoot gun, so I had Richard Franklin (Richard’s Custom Rifles) chamber a Lilja 12-twist in 6mm BR Norma, with a .262″ neck. Using Fowler 80gr FB bullets, the gun shot great right out of the gate. (See my report, Egg Shoots and 600-yard 6 BR). I was curious about the heavier 6mm bullets, so I had Richard chamber and fit a 1:8″ Krieger in 6BR. But this time we went with a .271″ no-turn neck. The Krieger holds quarter-MOA with the heavy bullets, and, to my surprise, it shot the 80s as well as the 12-twist Lilja did. For the 2005 season, I ordered one of Richard’s latest 008 F-Class stocks. This new design is very comfortable to shoot and it’s much more stable in the bags than my old Hunter stock. That added stability will be a big plus for 600- and 1000-yard benchrest matches.

6mm BR light & heavy gun

A Heavy Gun for 1000-yard BR and “Belly Benchrest” (F-Class)
I’ve been active in 1000-yard Benchrest for a few years, shooting my 6mm BS and 6mm BR Light gun in both Light and Heavy classes. I wanted to build a rifle for the Heavy Gun Class yet stay within the 22-lb F-Class limit. And I wanted it to have the best hardware I could buy. On a BAT ‘MB’ action (with Jewell trigger) we fitted a 30″ 8-twist 3-groove Lilja, 1.250″ diameter, no muzzle brake. Richard cut the chamber for 6mm BR Lapua Brass, .271″ no-turn neck, throated for Sierra 107gr MKs, matching my current Light Gun. The stock is a pillar-bedded Richard’s 008 1000-yd/F-Class model, with 10 coats of auto clearcoat, all work by Richard. Burris Zee rings hold a Leupold 8.5-25×50 LRT mounted on a BAT one-piece Weaver base. The Heavy Gun weighs in at 21 lbs, much lighter than most Heavy Guns (50 to 100 lbs). But with the 6BR’s light recoil, it’ll do just fine for long range, yet still make weight for F-Class.

Why a 6mm BR Chambering in a Heavy Gun?
I toyed with the idea of going with a 6BR Improved for Heavy Gun, but I’m not convinced the Improveds are worth the extra hassle of fire-forming, not to mention the added cost of custom dies. By way of background, I used to have a Rem-actioned rifle chambered in 6BR BS (Bill Shehane), which is very similar to the 6BR Dasher. I found the 6BR BS was only about 100 fps faster than a standard 6BR. For the shooting I do, that extra 100 fps is not critical. If, in the future, I feel I need more speed, I will go to a .243 AI or a 6.5-284. To be honest, I love the 6BR cartridge. Barrels last forever, and the accuracy can’t be beat. Yes a 6BR is a little light for everyday 1000-yard shooting, but on good days it can set world records. I may move up to a 6.5-284 some day, but for now I will stay with the standard 6mm BR. If I ever do want to go to a bigger caliber, the 8.5-inch BAT Machine MB action gives me this option.

6mm BR light & heavy gunHall vs. BAT
Light vs. Heavy

Comparing the two actions’ bolt lift, lock-up, fit, and finish, I feel they are equally good. However, the BAT can run stout loads with Federal 205 primers — loads that cratered Fed 205s with the Hall. I don’t know if this is a function of the actions’ engineering, or the barrels. I’ve got a Lilja on the BAT, while the Hall wears a Krieger. I do know the BAT has a tight-fitting firing pin, and that might make a difference.

Both my actions have a built-in recoil lug — a really nice feature when you are changing barrels, and one of the main reasons I favor custom actions over a Remington. I think anyone would be pleased with either the BAT or the Hall.

There is a big difference in shooting a Light Gun vs. a Heavy Gun, as you might expect. The Heavy Gun is more stable and recoils straight back. However, even at 21 pounds, the Heavy Gun actually recoils harder into your shoulder than the muzzle brake-equipped Light Gun. But if you take the Light Gun’s brake off, and put the action back in the old Hunter bench stock, the gun would jump, torque and roll. It’s much better with the 008 stock now, but still not as rock solid as the Heavy Gun. On recoil the 21-pounder just tracks straight back, no jumping, no yaw, no rolling–very impressive.

6BR varmint rifle pair barrels

6BR 6mmbr targetLoad Development and Accuracy Results
Developed last year, my favorite Light Gun load is 30.5 grains Varget, CCI BR4 primers, and 106gr Clinch River VLDs, running 2825 fps. The Light Gun shoots other bullets very well, but the Clinch Rivers performed best, with groups in the 0.1s to the low 0.2s at 100 yds. I use Lapua brass of course.

I began my load development for the Heavy Gun with components I had from last year: Varget, N140, and N540 powders, plus Fed 205, CCI BR4, and CCI 450 primers. I also had a good selection of bullets: 95gr and 105gr Bergers, 105gr Lapua Scenars, 106gr Clinch Rivers, and 107gr Sierra MKs.

The Heavy Gun liked the Bergers right from the start. During break-in and fire-forming (with 95gr Bergers 0.20” into the lands, 30.0gr Varget and CCI 450s), the rifle shot in the low 0.2s at 100 yds, 0.3s at 200 yds, with a 0.182″ small group at 200 yards (see photo). I then moved up to the heavier bullets and again the Bergers stole the show. Best load for the Berger 105s (seated 0.15″ into the lands) was 30.5 grains Varget and Fed 205s at 2850 fps. At 100 yards, this recipe shot in the 0.1s to the low 0.2s with a small group of 0.089″. (By the way, this same load in my Hall Light Gun would crater the Fed 205 primers. I may have to change to CCI BR4 primers for the hot summer days.) After working with the 105s I wanted to see how the Heavy Gun performed with lighter bullets. I tried my favorite Egg Shoot and 600-yard load–80gr Fowlers pushed by 31.5 grains of Vihtavuori N135 with Fed 205 primers. The results were fantastic. The big BAT produced a 100-yard aggregate (five, 5-shot groups) in the 0.2s with an 0.129″ small group. Overall, at 200 yards, both guns could agg five 5-shot groups in the 0.3s and 0.4s. Eggs Beware!


BAT actionBig, Strong, and Versatile
‘MB’ Action by BAT Machine

I looked at all the custom actions, and decided on a BAT model ‘MB’, configured Right Bolt, Left Port, Right Eject. The ‘MB’ action has some pretty unique features, including an integral recoil lug on the underside, and a recessed tenon (i.e. the threads start 1″ from the front of the receiver). The action is 8.5″ long, but with a 7.5″ bolt. The extra inch is added to the front. That provides extra bedding surface and room for a third pillar. The 8.5″ action length gives me the option to go up to a 6.5-284, while the dual ports should help give me the speed I need for the 10-round strings in Heavy Class. Also I can load from either side for F-Class.

Why did I choose a BAT? First, BAT quality is second to none. Moreover, BAT will custom-configure your port(s) and bolt for the same price, no added fees. Other action-makers charge extra for anything other than your basic Right Bolt, Right Port. This makes the BAT about the same price as a Stolle or Nesika, if you want a set-up like mine. The right-side ejection port is slightly smaller than the left feed port, but I can still feed 6BR cases from either side if I wish. The MB action is so big, the little BR case runs out of ejector as soon as the case leaves the chamber, so I push the case out to the right as I load the next round from the left. The BAT will eject a loaded 6BR round just fine, but a fired case only ejects sometimes. This action would work great with a longer round, such as a .243 AI or 6.5-284. If you want completely reliable 6BR ejection, you’ll need a smaller BAT action. But then, like my Hall standard action, the port would be too small for a 6.5-284.


Richard’s #008 Stock — How it Handles
The 008 stock is the best design I’ve ever shot off the bench. I like to hold my guns, and the 008’s grip profile gives me the control I like. The trigger is close enough for my short fingers. The underside of the buttstock is flat and completely straight (parallel to the barrel), so the gun tracks straight back. During recoil, the scope stays on target, making for quicker recovery time. In the picture at left, you can see that the underside of the fore-arm is relieved in the middle with raised strips on the left and right. These “rails” make for less surface area contacting the bags, less friction, and more consistent recoil. The high comb on the stock allows better prone shooting. For now, the stock is fine for what prone shooting I do. But if I do get seriously into into F-class I may want to add an adjustable comb or cheekpad. We’ll see.

Plans for Competition — The Lure of Hickory Groundhog Shoot Dollars
Some years ago, after building this pair of accurate 6mmBR rifles, Mark Schronce told us: “I can’t wait to see how this pair perform at long range. I will also take the Light Gun to the big Hickory GroundHog match in April, but I may put the barreled action back in the Hunter stock. This year you have to use bipods or sand bags, no front rest. [Editor: that is no longer the rule.] I don’t know if want to drill into my pretty new 008 stock for a bipod mount. I’ll let you know how it goes, and hopefully I’ll come back with some loot from the Shoot.” NOTE — that year Hickory offered about $8000 worth of prizes.

Mark Schronce

Permalink Bullets, Brass, Ammo, Competition, Gunsmithing No Comments »
June 13th, 2023

Beat the Heat — Keep Ammo Cool During Hot Summer Days

Heat Map USA color chart

The Summer Solstice is June 21, 2023, just a week away. And July is coming very soon. That means “peak heat” summer conditions. It’s vitally important to keep your ammo at “normal” temps during the hot summer months. Even if you use “temp-insensitive” powders, studies suggest that pressures can still rise dramatically when the entire cartridge gets hot, possibly because of primer heating.

It’s smart to keep your loaded ammo in an insulated storage unit, possibly with a Blue Ice Cool Pak if you expect it to get quite hot. Don’t leave your ammo in the car or truck — temps can exceed 140° in a vehicle parked in the sun.

Ammo cool storage

Bosch Insulated tool caseTo learn more about how ambient temperature (and primer choice) affect pressures (and hence velocities) you should read the article Pressure Factors: How Temperature, Powder, and Primer Affect Pressure by Denton Bramwell. In that article, the author uses a pressure trace instrument to analyze how temperature affects ammo performance. Bramwell’s tests yielded some fascinating results.

For example, barrel temperature was a key factor: “Both barrel temperature and powder temperature are important variables, and they are not the same variable. If you fail to take barrel temperature into account while doing pressure testing, your test results will be very significantly affected. The effect of barrel temperature is around 204 PSI per F° for the Varget load. If you’re not controlling barrel temperature, you about as well might not bother controlling powder temperature, either. In the cases investigated, barrel temperature is a much stronger variable than powder temperature.”

This Editor had the personal experience of 6mmBR hand-loaded ammo that was allowed to sit in the hot sun for 45 minutes while steel targets were reset. The brass became quite warm to the touch, meaning the casings were well over 120° on the outside. When I then shot this ammo, the bullets impacted well high at 600 yards (compared to earlier in the day). Using a Magnetospeed, I then chron-tested the sun-heated ammo. The hot ammo’s velocity FPS had increased very significantly — all because I had left the ammo out in the hot sun uncovered for 3/4 of an hour.

LESSON: Keep your ammo cool! Keep loaded ammo in the shade, preferably under cover or in an insulated container. You can use a SEALED cool pack inside the container, but we do NOT recommend H20 ice packs. And don’t have the container do double duty for food and beverages.

Powder Heat Sensitivity Comparison Test

Our friend Cal Zant of the Precision Rifle Blog has published a fascinating comparison test of four powders: Hodgdon H4350, Hodgdon Varget, IMR 4451, and IMR 4166. The first two are Hodgdon Extreme powders, while the latter two are part of IMR’s Enduron line of propellants.


CLICK HERE to VIEW FULL POWDER TEST RESULTS »

The testers measured the velocity of the powders over a wide temperature range, from 25° F to 140° F. Hodgdon H4350 proved to be the most temp stable of the four powders tested. [NOTE: New Alliant Reloder TS 15.5 has also proved very temp stable in AccurateShooter’s range tests.]

Precision Rifle Blog Temperature Stability test hodgdon varget H4350 Enduron IMR 4451

Permalink Reloading, Tech Tip No Comments »
January 21st, 2023

Bloody Disaster — Loading Pistol Powder in Rifle Case

Varget Kaboom TiteGroup Hand injury reloading fingers accident

This is a grim tale. A man almost lost the use of his right hand, and did suffer terrible injuries to his fingers. All because he picked the wrong bottle of powder off the shelf. We have run this story before, and we will continue to run it every year, as a caution to our readers. This mistake is easy to make, but the consequences can be dire. Always, always double-check your powder labels before you start the hand-loading process. If you don’t, you may not have a hand to load with next time…

Similar Labels, Disasterous Consequences
The shooter, Denny K., was assembling some rounds for his brand new 7mm-08 Savage hunting rifle. He thought he was loading with Hodgdon Varget. Instead he had filled his powder measure with Hodgdon TiteGroup, a fast-burning pistol powder. The labels are similar, so the mistake is understandable. But the results were devastating. Here’s what 41 grains of TiteGroup can do in a 7mm-08:

Varget Kaboom TiteGroup Hand injury reloading fingers accident

Posting on the Firing Line, in a thread entitled “Lucky to Be Alive”, Denny writes:

“This is the hardest post to post. I know if I had read it a week ago my comment would have been: ‘You have no business reloading’. I had everything perfect, except pouring the wrong powder in the powder measure. I type this slowly with my left hand, embarrassed but … possibly saving someone else a tragedy or, like me, a long drive to the Emergency Room and surgery to save my finger.”

CLICK HERE for bigger, more graphic photo of injury.
Varget Kaboom TiteGroup Hand injury reloading fingers accident

The Still-Sealed Bottle of Varget
Denny did not initially comprehend exactly why the kaboom happened. He thought maybe his new Savage rifle was at fault. Then, on his return home, he discovered something…

Denny wrote: “The seven-hour period it took to go to ER, transport to Trauma Center and surgery made me think it was a Savage rifle issue. Brand new rifle, new brass, triple-checked loading data. The next day I was humbled when I realized the Varget powder was still sealed.

I knew what powder to use. I thought [Varget] was what I used. Not until the following day did I realize the Varget was still sealed.”

At that point, Denny realized what caused the accident — “operator error”. He knew he had to warn others about using the wrong powder: “I knew I needed to share my mistake, even though it is embarrassing, just to remind people. I’ve been reloading for 30 years…”

Editor’s Comment: Denny was not a novice reloader. His experience demonstrates that this kind of mistake can be made by any hand-loader, even one with decades of experience. Be safe guys, take your time when you load your ammo. Remove powders from measures after your loading sessions (pistol powders can look very similar to rifle powders). And by all means CHECK the LABEL on the jug. As the TiteGroup label says: “A little goes a long way.”

It’s not a bad idea to separate your pistol powders from your rifle powders, or perhaps even load for pistol in a separate part of your workshop.

Permalink News, Reloading, Tech Tip 7 Comments »