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August 18th, 2025

BargainFinder 517: 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.

1. Graf & Sons — Forster CO-AX Reloading Press, $334.79

forster coax press sale
⏺️ » Excellent versatile press with good discount

The Forster Co-Ax Reloading Press is one of our favorite presses. With an open front, the Co-Ax features dual floating guide rods. These provide perfect alignment of the die and the case because the shell holder jaws float with the die, thereby permitting the case to center precisely in the die. And as the die slides in a slot with the lock ring (rather than screwing down in a threaded hole), it is fast and easy to change dies. Right now you can save $37 with this Grafs.com sale.

2. MidwayUSA — Major Brands Optics Sale, Huge Discounts

scope optics sale
⏺️ » Save on great scopes from Zeiss, Vortex, Leupold, SIG Sauer, Burris

If you need a scope check out the current MidwayUSA Optics Sale. Right now excellent scopes from Zeiss, Vortex, SIG Sauer, and Burris are on sale with discounts up to 58%. The sale includes optics for both hunting and competition. Here are some of the best deals: Vortex 4-16x42mm Diamondback $199.99 (58% Off); Burris Eliminator 5 Laser RF scope $1249.99 (36% Off); ZEISS Conquest 6-24x50mm $829.99 (27% Off); and Leupold 3-15x44mm VH-5HD $999 (23% Off).

3. Midsouth — Midsouth Bulk Bullets

bulk bullet sale
⏺️ » Save big bucks on major-brand target and hunting bullets

Need bullets? Check out Midsouth’s Bulk Bullets Sale. A major U.S. bullet-maker made these poly-tipped bullets for Midsouth using proven designs for hunting, varmint, and target applications. The varmint bullets’ thin jackets allow for rapid expansion, even at lower velocities. These bullets are packaged into polymer bags. That reduces the price by eliminating factory packaging. NOTE: Buyer reports are very positive.

4. Amazon — Derraco PCPS Priming Tool, $199.95

derraco primer tool sale
⏺️ » Innovative precision priming tool mounts to press

Turn your standard single-stage reloading press into a precision priming system with the Derraco PCPS Precision Priming die/Primer Seating Tool (#ad). This advanced tool is compatible with any reloading press that accommodates 7/8-14 reloading dies and standard T-shaped shell holders. For a wide variety of single-stage presses, this unique precision priming tool will consistently deliver high-precision results thanks to the precision adjuster and micrometer hard stop.

5. Harbor Freight — Apache 9800 53″ Rifle Hard Case, $149.99

rifle case sale
⏺️ » Good quality, large, rugged rifle case at attractive price

When flying or driving it’s vital to protect your rifles. A good hard case option (at a great price) is the APACHE 9800 Weatherproof Protective Rifle Case. On sale for $149.99, this 53″-long case is $190.00 less than an equivalent-size Pelican case. Constructed from durable polypropylene, this quality hard case can protect long guns from from impact, moisture, and dust. The built-in purge valve equalizes pressure so you can open the case after changing elevations. NOTE: Case interior dimensions are 50⅜” by 13⅝”.

6. Amazon — Hornady Lock-N-Load Comparator Set, $33.95

hornady comparator sale
⏺️ » Excellent tool for fast, reliable base-to-ogive measurement

When loading precision ammo, you need to accurately measure the base-to-ogive of loaded rounds. A good tool for this task is the Hornady Lock-N-Load Comparator Kit. This can measure seating depth of loaded ammunition quickly and precisely. Attached to calipers, this measures from the cartridge base to the bullet ogive, ensuring consistent seating. This basic set includes the comparator body, plus 7 inserts covering .224, .243 (6mm), .257, .264, .277, .284 (7mm) and .308 bullet diameters.

7. Amazon — LOTOCASE TSA-Approved Handgun Case, $69.88

pistol range case sale
⏺️ » Great transport case holds 5 handguns plus magazines.

If you often transport multiple pistols, this is a great travel case. The LOTOCASE TSA-Approved Handgun Case holds 5 handguns, plus 16 magazines and features a rechargeable, moisture-absorbing silica gel canister to prevent gun rust. Well-designed with slots for pistols and mags, this rugged hard case is a good option for handgun competitors. NOTE: For long-term storage, put your handguns in anti-rust fabric sleeves and store in a good gun safe.

8. Amazon — Coobeast 38pcs Digital Torque Screwdriver, $59.98

digital torque screwdriver sale
⏺️ » Advanced, modern tool measures proper torque

Setting proper torque on rings, actions and more is critical to precision shooting. For precise torqueing jobs, we like the Coobeast 38pcs Digital Torque Screwdriver. With a power drive with digital display (and certified calibration), this electric torque screwdriver offers precise torques. The drivers are made of hardened chrome vanadium steel.

9. Midsouth — Primer Sale w/ CCI, Federal, Rem, Magtech & more

rifle primer sale
⏺️ » Large supply of magnum, large, and small primers at good prices

Over the last few years premium brand primers have been pricey and hard to source. Thankfully, things are getting much better. And right now Midsouth is running a major Midsouth Primer Sale with significant savings on CCI, Federal, Winchester, Magtech and other brand primers. Yes there are large rifle primers along with hard-to-find Federal 205M small rifle primers — popular with competitive shooters. Both 1000ct and 5000ct packages are on sale.

10. Amazon — 52″ Rifle Soft Case, $21.98

soft rifle case sale
⏺️ » Very low price for handy case for long-barrel rifles

Sometimes you just need a simple, basic gun case for taking your rifles to the range in your vehicle. This 52″ Soft Rifle Case can handle those duties and is big enough for competition F-Class and Full-bore rifles. This gun case has decent padding, a water-resistant nylon shell (green, tan, or black), and comes with a handy adjustable shoulder strap. Choose either 52″ case for $21.98 or 42″ version for $19.99.

11. Amazon — Frankford Arsenal Digital Caliper, $37.19

digital caliper sale
⏺️ » Good features and measures both inches (SAE) and millimeters

Accurate measurement of cartridges and components is critical for precision reloading. All hand-loaders should have a good set of digital calipers. These Frankford Arsenal calipers are accurate to within .001” when measuring case length, neck and base diameters, overall length. These calipers also can show both SAE (inch) and Metric (mm) measurements.

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August 18th, 2025

How to Rebate Case Rims to Shoot Bigger Cases in PPC Actions

30BR 6 PPC rim rebated Butch Lambert

Many short-range Benchresters have thought about converting their 6 PPC to shoot a 30BR for score matches, or a Dasher for mid-range (or even 1000-yard) games. That way you have a rifle that does double duty, giving you the most bang for your buck. Though an action with a PPC bolt won’t normally work with 30BR/6BR/Dasher cases with their larger .308-class rim (0.4728″ diameter), there is a pretty easy solution that allows you to cycle these bigger cartridges with a 6PPC-style bolt (designed to fit .220 Russian rims).

“Rebating case rims … lets you shoot a 30BR in score matches using your PPC action. All you need is a new barrel. This saves buying another bolt, receiver, or rifle.” — Butch Lambert

Butch Lambert of ShadeTree Engineering provided this tip. Butch notes that many 6 PPC benchrest group shooters also enjoy shooting in score matches. But to be really competitive in the BR for score game, that means shooting a 30BR, which has a wider, .308-class rim (0.4728″ diameter). Likewise, if you want to compete in 600-yard registered BR events or in varmint matches, you probably want to run a bigger case, such as the 6BR, 6mm Dasher, or 6-6.5×47. Those cartridges also have the larger 0.4728″ rims.

30Br Butch Lambers 6 PPC

Rebate Your 30 BR Rims
To convert a PPC-boltface action to shoot bigger cases you can spend a ton of money to buy a new bolt. That can cost hundreds of dollars. The simpler solution is to turn down the diameter of the larger cases on a lathe. Butch explains: “We’ve seen plenty of interest in rebating case rims. This lets you shoot a 30BR in score matches using your PPC action. All you need is a new barrel. This saves buying another bolt, receiver, or rifle if you have a PPC boltface. Anyone who has access to a lathe can do this job pretty easily. Yesterday I turned 150 case in about an hour.”

At right is the lathe form tool Butch uses to rebate the case rims.

Cutting Head for Rebating Rims
Permalink Bullets, Brass, Ammo, Reloading, Tech Tip 1 Comment »
August 18th, 2025

Reloading .30-06 Springfield Cartridge for Vintage Rifles

m1 garand .30-06 reloading
brian williams .30-06 cmp springfield 1903 a3

Tech Report by Brian Williams
Reloading for a military surplus gun is different than loading for a modern precision rifle in my opinion. There are a few tasks that carry over from one to the other, but the main goal is slightly different. The target shot in the CMP games matches has a rather generous 10 ring, and with a little larger target your focus needs to change from a round with ultra accuracy to a round that is safe and functions well in your particular rifle.

Reloading for Vintage .30-06 Springfield Rifles

Brian Williams M1 Carbine CMP Modern Military 4-Gun 3-Gun

Brian Williams M1 Carbine CMP Modern Military 4-Gun 3-GunBullet Selection — With the .30-06 for my Garands and Springfields I stick mostly with 168gr bullets plus some 155-grainers. These bullet weights have just worked for me in the past.

Cartridge Brass (Milsurp vs. Commercial) — I use both military and commercial brass, having success with each. I do prefer commercial brass as it is easier to prep for the first reload. Military brass usually has a primer crimp of some kind that needs to be removed, and I have found that trimming these cases can sometimes leave you scratching your head as the OAL on military cases varies considerably.

Brian Williams M1 Carbine CMP Modern Military 4-Gun 3-GunPowder Charge and Dispensing — I have always had good success with Hodgdon H4895 powder. My load has always been right around 47.0 grains, with both the 168gr and 155gr bullets. I also use the Auto-Trickler to drop all of my powder charges. This is a fantastic piece of equipment that not only gives super-consistent powder charges quickly, but it also makes one less thing that you have to worry about while on the firing line. With the Auto-Trickler, there is never a question about the powder charge in your ammo. As for primers, I have been shooting CCI 200 Large Rifle primers for many years and have never had an issue.

Case Care and Trimming — With most of the .30-06 brass that I use, I will only reload them 5 times maximum. I don’t push the brass too much, because the Garand’s semi-auto cycling can be tough on the cases. I also trim my cases for OAL each reload cycle. I use a Giraud power trimmer, so trimming is relatively quick and easy.

The chambers in some of the older rifles are not perfectly-machined like a modern high-end rifle. This can cause the brass to grow a little inconsistently, so I find trimming every load cycle helps to make sure that everything stays in a nice safe spec.

Case Annealing — A few years ago I started to anneal my .223 Rem service rifle brass. Now I have added that process for all my match ammunition. I anneal after every firing. It is a rather easy step as I can have my auto-feeding Annealeez machine running while doing something else, so annealing does not add a great deal of time or effort to the reloading process.

.30-06 Springfield .308 Winchester
The .30-06 case was the father of the .308 Winchester, which was adopted as the 7.62×51 NATO cartridge.

VIDEO Showcase — Brian Williams Shoots M1903A3 Prone in May 2021

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August 18th, 2025

+ONE — Invite a New Shooter to the Range This Month

National Shooting Sports month August

national shooting sports month nssf+ONE Program to Encourage New Shooters
August is National Shooting Sports Month. As part of this effort, the NSSF encourages firearms owners to take one novice to the range this one. This +ONE Movement will help strengthen the ranks of shooters, which, in turn, can help protect our Second Amendment freedoms. The NSSF states: “If just one in three of America’s recreational shooters adds one new person to the shooting sports, we’ll secure a strong future for generations to come. So be the one. For all the thrills and excitement recreational shooting has given you, join the +ONE movement and invite someone to the range today. Share your experience on social media.”

The +ONE campaign seeks to build the ranks of shooters. The NSSF says: “If just one in three of America’s recreational shooters adds one new person to the shooting sports, we’ll secure a strong future for generations to come.” Learn more at LetsGoShooting.org.

Shooting Sports hunting new join mentor movement +1 +one plus one

As part of the +ONE Movement, the NSSF encourages all participants to practice gun safety and proper firearms handling and storage practices. This video covers basic gun safety procedures:


SHARE THESE 10 SAFETY TIPS WITH +ONE INVITEES

National Shooting Sports month August

CLICK HERE for Illustrated TEN RULES of Firearm Safety »

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August 17th, 2025

Sunday GunDay: Switch-Barrel 6mm/6.5mm Creedmoor PRS Rig

Zero Compromise ZC517 FFP scope PRS shooting

Today we feature a modern switch-barrel PRS chassis rifle set up for quick changes between 6mm Creedmoor and 6.5 Creedmoor barrels. The owner, Forum member Jeff Cosgrove (aka “Punkur67″) uses the 6 CM barrel for competition, favoring the reduced recoil over its 6.5 mm big brother. He does use the 6.5 CM barrel for practice (given its better barrel life). The 6.5 CM barrel also gives him the chance to shoot a variety of factory 6.5 Creedmoor ammo.

- Terminus Zeus action with Quick Change (QC) barrel option.
– 6mm Creedmoor Pre-Fit Bartlein Heavy Varmint 400MODBB barrel for matches
– 6.5 Creedmoor Pre-Fit Benchmark Heavy Palma barrel for training
– MPA BA Competition chassis with full weight kit
– Zero Compromise Optic ZCO 5-27x56mm FFP scope
– TriggerTech Diamond trigger

This rifle represents an evolution for Jeff. Each step along the way in his PRS journey, he has learned more about what he wants and needs in a competition rifle. And what you see here, from the $3760 ZC527 scope to his high-tech reloading equipment, represents pursuit of excellence. Jeff even created a modern, spacious man cave/reloading center in his new house (photos below).

Zero Compromise ZC517 FFP scope PRS shooting

Quick-Change Barrel System with Terminus Zeus QC Action

Terminus Zeus QC action scope PRS shooting

This rifle has two pre-fit barrels that work with the Terminus Zeus QC Action for fast and easy barrel swaps. To remove a barrel, you simply release two tension screws on the front of the action and then unscrew the barrel. To swap in a different pre-fit barrel, reverse the process and then tension the screws. The Terminus Zeus is 3-lug receiver with 60° bolt and integral recoil lug. Both the receiver and bolt are DLC-treated. Jeff reports this action is extremely smooth and has met all of his expectations. Some other Zeus features are threaded trigger pins for quick/easy trigger installation, and a roller-tipped cocking piece.

PRS Discipline Offers Fun, New Challenge for Long-Time Shooter

Zero Compromise ZC517 FFP scope PRS shooting

My name is Jeff Cosgrove, I live in Winchester, California and do commercial heating and air conditioning. I have shot for 20+ years but I found my interest in shooting was dwindling over time. I got somewhat bored with shooting paper at 100 yards or plinking cans out in the desert. About 18 months ago I decided I wanted to shoot long range. I picked up a used MPA in .300 Winchester Magnum and started shooting long range with a new buddy. That day I fell in love with guns all over again with more intensity than ever.

How I Got Started in PRS
With that new .300 WM I soon found my reloads were not up to my expectations (high ES/SD), so I purchased all new reloading hardware. One of my purchases was a used Benchsource Annealer. The guy I bought that from asked if I had ever tried PRS and he invited me to check out a match. So I went to a local PRS event as a spectator. I looked at many rigs on the firing line and took notes. By the end of the day I knew this was something I really wanted to do. I then acquired a used chassis rifle that I thought would work well for PRS. I went to a PRS match the following month but shot poorly.

After working with that first PRS rifle, a 6.5 CM with Stiller Tac30 action, MDT chassis, and Proof Carbon-wrapped barrel, I quickly learned that gun did not handle and balance the way I hoped.* It was too light in the front, the ergos were poor, and scope eye relief was not optimal. So I decided to build my own GEN 2 PRS rifle. This is the story of how I put together my new switch-barrel rig that I now use in competition.

PRS Rifle and Gear Selection — Learning What Works

Barrel availability was limited given the current shortages. Luckily I was able to obtain a 6mm Creedmoor pre-fit Bartlein Heavy Varmint 400MODBB from Southern Precision Rifles. The 6mm Creedmoor is notorious for being a barrel burner cartridge so I went with the special 400MODBB metal. Bartlein says that barrel life expectancy is 1.5 to 2 times longer than the standard 416 grade steel. I also purchased a 6.5 Creedmoor pre-fit Benchmark Heavy Palma barrel for training (Source: Straight Jacket Armory). With the Terminus Zeus quick change system I am able to swap from my match barrel to my trainer barrel in just a couple minutes. I loosen two set screws, unthread the barrel, thread the new barrel on, and torque the set screws to 10 inch-pounds. This also affords me caliber options in case I’m in a pinch for ammo. If I have some 6.5 CM loaded up and don’t have time to load 6mm Creedmoor for a match, then I’m covered.

For the trigger, I went with a TriggerTech Diamond Pro curve model. I have Timney, Jewell, and TriggerTech triggers in other rifles. I like them all but I liked the feel of the TT Diamond the best so that is what I used on this build. I set my triggers around 18-20 oz. — I am not a fan of ultra-light trigger pulls.

MPA BA Competition Chassis with Added Weight
I went with an MPA BA Comp chassis with full internal and external weight kit. I also have Gray Ops external weight on the handguard. I had the same chassis on my .300 WinMag and felt very comfortable with it. I took a PR1 class and found that, with a different gun, I had to force a comfortable hand position for proper trigger pull. After that class I grabbed my MPA and my hand fell in to the perfect position. I did not need to hunt or index my hand with the MPA. The built ARCA rail (RAT) lowered the rifles center of gravity more than my old setup with the ARCA rail bolted to the bottom of the handguard. With the current configuration, the rifle weighs in at 24 lbs. and balances three inches in front of the magwell. I now have the flexibility to add, subtract, or move approximately 6 lbs. of weight.

The Attraction of PRS/NRL Practical Competitions
I really enjoy PRS-style shooting because there seems to be a new challenge every time you compete — no matter what. With PRS I am shooting many different positions and ranges with the pressure of a stopwatch. This keeps things interesting for me. I have taken a few training classes to help establish good, clean fundamentals.

Zero Compromise ZC517 FFP scope PRS shooting
Jeff says it is hard to practice for the many unconventional shooting positions at PRS matches.

My biggest challenges so far have been: 1) building stable shooting positions that I have not practiced enough; 2) proper equipment selection; and 3) time management. Regarding the shooting positions — PRS/NRL is not like F-Class where you can always practice from one position. And it’s hard to practice for unusual set-ups (barriers and positions) you’ve not encountered before. Concerning equipment — you need some experience in the game to determine what really works best for you.

Innovative Zero Compromise Optic — Optimized for the Tactical Game
Zero Compromise ZC517 FFP scope PRS shooting
The scope is a Zero Compromise ZC527 (5-27x56mm FFP) with MPCT2 reticle. Zero Compromise Optic is a relatively new manufacturer, but their scopes are top-flight. The First Focal Plane ZCO has excellent glass that is extremely bright and clear. With a big 36mm main tube, the ZC527 offers 35 Mils Elevation and 21 Mils Windage adjustment. The field of view is 21 feet at 100 yards — one of the widest in the industry. The ZC527 also offers illuminated reticle and locking turrets. When I was at my first PRS match I looked through several different scopes. When I got behind a ZCO scope I knew this was what I wanted — the ZCO scope was super clear, super sharp, with very positive controls.

I put a protective wrap on the scope because with some of our PRS stages it is easy to scratch or dent the scope tube. You don’t want to bang up an expensive scope — the ZC527 retails for $3760.

Reloading for 6mm Creedmoor and 6.5 Creedmoor

When starting out with a new cartridge I like to search places like AccurateShooter.com and UltimateReloder.com for popular recipes used by knowledgeable shooters. I am all about paving your own way on certain things but with the consistency, higher cost, and limited supply of components these days I try to stick with the most common loads. I also want to limit barrel wear and get through load development quickly. I don’t want to chase loads for 300 rounds to ultimately land in the same place that so many other people have already found.

6.5 Guys load development Spreadsheet excel PRS shooting

I start my new barrels with virgin brass and load three rounds at each charge weight in 0.2 grain increments. I put the most popular charge weight (for my chosen bullet) in the middle of my load range and load above and below to find a good node while paying close attention for pressure signs along the way. I use the 6.5 Guys spreadsheet (see below) to help analyze my results. With those results I like to re-test a narrower range with 5-10 rounds each charge weight in 0.2 grain increments. I again use the 6.5 Guys spreadsheet to make a final charge weight selection and then I move on to seating depth. I will load different depths to tighten the groups up.

6.5 Guys load development Spreadsheet excel PRS shooting

Load Development Using 6.5 Guys Custom Spreadsheet

To hold and analyze my load development data I use the spreadsheet from 65Guys.com. It helps a ton with making a decision on your final load. This Excel spreadsheet works great and makes it simple to analyze your data. You can even copy and paste your chronograph data if your chrono logs on to a SD card.

6.5 Guys load development Spreadsheet excel PRS shooting

In this 6.5 Guys video Steve provides an overview and tutorial for using the Excel load development analysis model that he has developed. The Excel Load Development Analysis Spreadsheet version 2.0 is FREE. Download from the 6.5 Guys Website.

In this video Steve explains some key statistical concepts for performing load data analysis. He also provides tips and guidance for determining the optimal load for your rifle as you analyze the load data you’ve collected.

New House, New Man Cave/Reloading Room

Jeff recently moved with his family into a great new house. One bonus of this move was that he upgraded from a cramped reloading area to a dedicated “Man Cave” that has ample space for his gun safes, multiple presses, and all his reloading components. Large upper and lower cabinets plus a dedicated “gun closet” provide plenty of storage. Read all about this move in this AccurateShooter Forum Thread.

Here is Jeff’s first reloading area years ago: “My first reloading setup was smashed in my two-bedroom condo so I had a very small bench that was very cluttered. I had to deal with the limited space I had but I made it work. Then in our first house I had a larger bench/cabinet, but it was still not ideal.”

6.5 Guys load development Spreadsheet excel PRS shooting

Here is the new Man Cave in the new house — very open, spacious, with plenty of storage.

6.5 Guys load development Spreadsheet excel PRS shooting

This animated GIF shows the new Man Cave move-in process start to finish:

new reloading bench 6.5 Creedmoor

(more…)

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August 17th, 2025

Wood Wonders — Great Wood Projects for the Reloading Room

Wood fine furnitures Reloading Room cabinet project exotic wood
Bullet sorting station — quilted Maple with marble tile inlay, created by JVW2008.

We have a master woodworker in our Shooters’ Forum, Jerry from Colorado (aka JVW2008). In a Shooters’ Forum thread, Jerry showcases multiple examples of his handiwork — various wood projects for the reloading room. Beautifully made, these one-of-a-kind custom cabinets and tool stands deserve to be on display in a museum.

Jerry’s creations exhibit exquisite craftsmanship and some very clever design features. What is your favorite item among the Jerry’s wood wonders shown here? You can reveal your favorites in the comment section below.

Throne for a Sartorius Analytical Balance
Jerry built this “Throne” for his ultra-precise Sartorius Entris force restoration scale, which is linked to a V2 Auto-Trickler. This is a true state-of-the-art powder measuring system on a beautiful base unit.

Wood fine furnitures Reloading Room cabinet project exotic wood

Cabinet for Balance Beam Scale
Here is an oak balance beam scale cabinet and weighing surface. Note the mulitiple tiers, side wings, and other smart design features.

Wood fine furnitures Reloading Room cabinet project exotic wood

Custom Arbor Press Base
Below is a handsome, well-designed base for K&M Arbor Press and Wilson dies. Look at the fitted recesses for the hand dies — very nice!

Wood fine furnitures Reloading Room cabinet project exotic wood

Jumbo Walnut/Maple Loading Block
And here is a beautiful 100-cartridge reloading block, crafted from Walnut over Maple. It’s impressive to see 100 cartridges all lined up like that!

Wood fine furnitures Reloading Room cabinet project exotic wood

To see more impressive wood projects by our Shooters’ Forum members, visit the Wood Working Ideas Forum Thread. Along with Jerry’s reloading toom wonders, you’ll see cleaning cradles, shooting benches, transport boxes, and much more. Check out this amazing inlaid rifle case crafted by Forum member Nando-AS for his son.

Wood fine furnitures Reloading Room cabinet project exotic wood

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August 17th, 2025

Can Carbon Build-Up Inside Cartridge Cases Raise Load Pressure?

Carbon fouling case cartridge interior Pressure volume ultrasonic

As a cartridge case is reloaded multiple times, burnt powder residue and carbon builds up on the inside of the case. Unless the case interior is cleaned in some fashion, eventually you’ll see a slight reduction in case capacity. One of our Forum members from Australia wonders about the effects of reduced case capacity: “If the capacity of the case decreases as the crud builds up, then it effectively reduces the size of the cartridge (inside). Wouldn’t that change the pressure produced from that of an equivalent clean case?”

Interesting Test of Case Capacity Changes
Forum member Fred Bohl has actual test results that can help answer the above question. Fred proved that, over a 20-reload cycle, the case capacity of uncleaned cases did decline a small amount. However, surprisingly, this did not seem to affect the actual chronographed velocity of the load. Extreme Spread (ES) did increase, but Fred believes the higher ES was due to changes in case-neck tension, rather than due to the slight reduction in case capacity. Fred reports:

“Back when beginning to use ultrasonic case cleaning, part of the motivation was to get the inside clean based on the assumption that allowing burnt residue to build up inside cases would affect capacity, and, ultimately, performance. An experiment was done to test this hypothesis. The load used, 30.5 grains of RL15 behind 107gr SMKs in a 6mmBR, was selected for best group and lowest ES in prior load development. It turned out to be 92% of initial case capacity and neither “full” or compressed. (I would suspect that different powders, load weight, and total case capacity might produce very different results.)

We took 30 cases of identical initial capacity and tracked three lots of 10 each:

LOT 1: No Internal cleaning
LOT 2: Cleaned with media in tumbler
LOT 3: Cleaned with Ultrasound machine

Each case (in each lot) was shot and reloaded 20 times. The simplified results after 20 reloads of each lot were as follows:

Lot 1 (not cleaned) – 0.3 to 0.4 gr. loss of capacity, 5 to 8 fps greater ES.
Lot 2 (tumble cleaned) – 0.1 to 0.3 gr. loss of capacity, 4 to 6 fps greater ES.
Lot 3 (ultrasonic cleaned) – no loss of capacity, no detectable change in ES.

FINDINGS

There was no detectable correlation of velocity change to the lots. An oddity was that on very hot days Lot 1 velocities were, occasionally, slightly higher. From results of another ongoing test, I believe the above differences in ES are probably due more to variance in bullet grip tension than case capacity. The ultrasound cleaned cases (LOT 3) did maintain the lowest ES, but we are not 100% sure of the reasons why. More consistent bullet seating might be the reason.”

Carbon fouling case cartridge interior Pressure volume ultrasonic

Editor’s NOTE: Fred’s results do suggest that carbon build-up inside the uncleaned cases might cause a slight increase in pressure that shows up on hot days. Fred has posted that: “A local shooter reported doing the 20 reload, no-clean test on a .308 that gave a loss of capacity of 2.0 grains, doubled ES and significant velocity changes. However, I don’t have any details on his load weight or powder.” Obviously a lot of carbon can build up with 20 reloads. Many shooters retire their brass before then.

Ultrasonic Cleaning and Neck Lube
Some time ago, Jason Baney did a lengthy test on ultrasonic cleaning. Jason found that with his ultrasonically-cleaned cases, the inside of the necks got so “squeaky clean” that he needed to use dry lube in the necks. Jason uses the $21.50 dry lube kit from Neconos.com. This applies ultra-fine Moly powder to the neck using small carbon steel balls.

Neconos.com moly neck lube

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August 16th, 2025

Saturday at the Movies: Eight Great Guns & Gear Videos

Guns & Gear Gun Talk Gresham free videos

Examples of Guns & Gear Videos from GunTalk YouTube Channel
Guns & Gear is a leading gun-centric resource with hundreds of informative videos. Produced by Tom Gresham, Ryan Gresham, and the Gun Talk team, Guns & Gear showcases new products in the firearms industry. Each episode features interviews with industry experts/instructors, range demonstrations, tips, and training techniques. Guns & Gear content is all FREE — you can watch hundreds of videos from Guns & Gear past seasons via the Guns & Gear Archive on GunTalkTV.com. And there are 900+ Guns & Gear videos on YouTube as part of the GunTalk Media YouTube Channel.

Savage 110 Precision Field Test and Review — 6.5 Creedmoor

Looking for an accurate, value-priced chassis rifle for PRS/NRL production class competition? Or would you like to shoot a big magnum in ELR matches? The Savage Arms 110 Precision is a good choice. These Savage 110 chassis rifles show excellent accuracy, and the barrel nut system allows easy installation of pre-fit barrels. Priced at $1649 MSRP, the Savage 110 Precision features an aluminum MDT LSS XL Cerakoted chassis and a 24″ barrel with factory muzzle brake. Chamberings offered are: 6.5 Creedmoor, .308 Win, .300 PRC, .330 Win Mag, and .338 Lapua Magnum.

Colt King Cobra Target .22 LR Rimfire Revolver

We think all serious shooters should have a .22 LR rimfire pistol in their collection, and a rimfire revolver is a smart choice, offering great accuracy and reliability. Colt relaunched the .357 Magnum King Cobra in 2019, and Colt later launched the .22 LR King Cobra Target family of rimfire revolvers. The King Cobra Target rimfire series includes 2″, 3″, 4.25″ and 6″ barrel versions. In this video, Justin Baldini joins Guns & Gear’s Kevin “KJ” Jarnagin reviews the features of the rimfire King Cobra Target. Then Team Colt’s Jalise Williams joins Guns & Gear’s Chris Cerino for a range demo.

Reloading Basics with Gavin Gear of UltimateReloader.com

In this Range Ready Tip, Gavin Gear of UltimateReloader.com explains the basic equipment one needs to reload rifle cartridges. Whether you’re an experienced reloader, or aspire to be one, you’ll find Gavin’s explanations helpful. He covers the key procedures — case sizing, priming, powder dispensing, and bullet seating. This Range Ready Tip features Hodgdon powders and Nosler bullets, with Lyman reloading presses and tools.

How to Improve Organization of Your Gun Safe

Many gun owners can benefit from this video which shows how to arrange the long guns and handguns in your gun safe. The video shows how to use rifle rods and handgun hangers to organize your gun safe contents in the most efficient manner. This can both make it easier to access your guns and can also help protect your valuable firearms from scraping and contact damage. Note: We recommend you put both rifles and pistols in rust-blocking sleeves for long-term storage.

Best Tripods for Hunting and Precision Shooting

This video explains how to select the best tripod for your hunting mode/match discipline and gun type. This video compares tripods from BOG, Two Vets, and Tricer. 1. The BOG DeathGrip (aluminum & carbon versions is good for hunting blinds, but is heavy and not ideal for mobility. 2. The Budget Spotting Scope Tripod is conveniently light but optimized for glassing, not for rifle support. 3. The Two Vets Recon V2 is a match-grade tripod ideal for long-range and precision shooters. 4. The Tricer HK Kit is a lightweight, inverted design with ball head and gun clamp. This may be the best all-around option for both hunting and tactical matches.

Guns & Gear Goes to GAP Grind — Leading Pro/Am PRS Match

For this video, Gun Talk’s Kevin “KJ” Jarnagin attended the Bushnell GAP Grind, a huge PRO-AM PRS match held annually in Tennessee. The GAP Grind, the largest, most popular PRS match in the world, draws nearly 400 amateur and pro shooters. Recognized as the premier PRO-AM precision rifle match with both individual and team competition, the GAP Grind has introduced thousands of new shooters to the sport since its inception. This 2-day, multi-stage PRS match is known for being very challenging.

Popperpalooza — Shooting 100 Steel Popper Targets with AR15

This fun video shows the ability of a modern sporting rifle (MSR) to drill a host of reactive steel targets with speed and efficiency. Using a Springfield Armory Saint AR-15, top action shooter Rob Leatham takes on “Popperpalooza” — a set-up with multiple rows of 100 steel “popper” targets. Shooting reactive targets is fun because you get instant gratification with the sound of the hit and the movement of the target as it falls down, swings, or spins.

Optics — Angled and Straight Spotting Scope Designs Compared

Spotting scopes come in two basic styles — straight and angled. The angled version is the most common because it can be used from all shooting positions — even prone (just rotate the spotter around its centerline). If you are spotting from a sitting or standing position, with the spotting scope on a tripod, a straight spotter may work best. That way your head/neck/torso is not bent down and you can instantly see a full view ahead just by moving your head slightly away from the lens. In this video, Gun Talk’s Kevin “KJ” Jarnagin covers the pros and cons of Straight vs. Angled spotting scopes. KJ uses Leupold SX-4 Pro Guide HD15-45x65mm spotting scopes in both straight and angled configurations.

Guns & Gear Gun Talk Gresham 14th season free videos

Other Recommmended Guns & Gear Broadcasts

Guns & Gear broadcasts are hosted online via Guntalktv.com and the Guntalk TV YouTube Channel. There are now over 1160 Guns & Gear videos on YouTube. The shows can also be accessed free via Amazon Fire TV, Apple TV, and Android TV channel. On cable television, Guns & Gear airs on the Sportsman Channel.

Below are links to five past Guns & Gear shows we recommend. These feature some impressive rifles and pistols, notable new optics, and good travel advice for gun owners. Click a link below to open the show list for a particular season. Seasonal show previews will then display top to bottom in numerical order. Then look for the particular show number and click on it.

Season 13, Episode 7: Colt Anaconda, Frankford Arsenal X-10 Progressive Press, SIG Sauer Red Dot optics

Season 12, Episode 12: S&W M&P 15-22, S&W .22 LR Victory

Season 11, Episode 30: Long-Range Riflescopes from Crimson Trace

Season 10, Episode 8: 6.5 Creedmoor – What It Is, and What It Can Do

Season 10, Episode 30: Traveling with Firearms (Gun Cases and Air Travel)

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August 16th, 2025

Step-by-Step Guide to Cartridge Reloading

cartridge reloading reload step instruction manual high pressure signs

The Shooting Sports USA website includes two excellent articles about the basics of metallic cartridge reloading. These two articles provide an excellent summary of the key procedures. If you are new to reloading, we recommend you read both articles:

Introduction to Metallic Cartridge Reloading Part I »

Introduction to Metallic Cartridge Reloading Part II »

Part II is particularly helpful because it explains the entire reloading process step-by-step, with 14 listed steps. The author notes: “In this, the second installment on metallic cartridge reloading, we’ll follow the sequence of steps involved in reloading a rifle cartridge and refining a metallic cartridge load. These steps are based on the use of a single-stage reloading press and a separate priming tool.”

Much important advice is provided as this article runs through the 14 Steps of Reloading. For example, when explaining Step 13, Bullet Seating, the article states:

“Proper seating depth is critical. Too much bullet protrusion and the cartridge may not work through the gun’s magazine, or it may fail to chamber. Too little and the bullet intrudes excessively into the powder chamber, decreasing volume and raising pressure. Neck tension is also important; any bullet that fails to seat with some resistance may be held only loosely by the neck and may be driven back into the case when the round is chambered, especially in semi-automatic arms.”

Important Guide to Detecting Over-Pressure Signs in Brass
As an example of the invaluable advice provided in these two articles, here’s a sample from Part II that explains how to determine if your load is over-pressure. We recommend that EVERY reader read this twice. There are more things to consider than a stiff bolt lift. You need to inspect cartridges very carefully:

cartridge reloading reload step instruction manual high pressure signs

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August 16th, 2025

Reloading Powder Grain Shapes — What You Need to Know

Vihtavuori loading propellant reloading powder N133 N150 N140 N550 ball flake stick extruded perforated powders

POWDER GRAIN SHAPES — What You Need to Know

The shape of powder grains has a profound effect on the performance of the powder charge, as it concerns both pressure and velocity. There are multiple powder shapes including flake, ball, and extruded or “stick” (both solid and perforated).

So how does powder grain shape affect pressure and muzzle velocity?
In general, it can be said that powder that burns progressively achieves a desired muzzle velocity at lower maximum pressure than a powder that burns neutrally, not to mention a degressive powder. As grain size increases, the maximum pressure moves towards the muzzle, also increasing muzzle blast. Muzzle velocity and pressure can be adjusted by means of the amount of powder or loading density, i.e. the relationship between the powder mass and the volume available to it. As the loading density increases, maximum pressure grows.

All Vihtavuori reloading powders are of the cylindrical, single-perforated extruded stick type. The differences in burning rate between the powders depend on the size of the grain, the wall thickness of the cylinder, the surface coating and the composition. Cylindrical extruded powders can also have multi-perforated grains. The most common types are the 7- and 19-perforated varieties. A multi-perforated powder grain is naturally of a much larger size than one with a single perforation, and is typically used for large caliber ammunition.

Other types of powder grain shapes include sphere or ball, and flake. The ball grains are typically used in automatic firearms but also in rifles and handguns. The ball grain is less costly to produce, as it is not pressed into shape like cylindrical grains. Flake shaped grains are typically used in shotgun loadings.

Vihtavuori loading propellant reloading powder N133 N150 N140 N550 ball flake stick extruded perforated powders

Web thickness in gunpowder terminology means the minimum distance that the combustion zones can travel within the powder grain without encountering each other. In spherical powders, this distance is the diameter of the “ball”; in flake powder it is the thickness of the flake; and in multi-perforated extruded powders it is the minimum distance (i.e. wall thickness) between the perforations.

The burning rate of powder composed of grains without any perforations or surface treatment is related to the surface area of the grain available for burning at any given pressure level. The change in the surface area that is burning during combustion is described by a so-called form function. If the surface area increases, the form function does likewise and its behavior is termed progressive. If the form function decreases, its behavior is said to be degressive. If the flame area remains constant throughout the combustion process, we describe it as “neutral” behavior.

The cylindrical, perforated powders are progressive; the burning rate increases as the surface area increases, and the pressure builds up slower, increasing until it reaches its peak and then collapses. Flake and ball grains are degressive; the total powder surface area and pressure are at their peak at ignition, decreasing as the combustion progresses.

Learn More with FREE Vihtavuori Reloading APP »

Vihtavuori loading propellant reloading powder N133 N150 N140 N550 ball flake stick extruded perforated powders


This article originally appeared on the Vihtavuori Website.

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