When Annealing Made Perfect (AMP), a New Zealand-based company, first unveiled its original induction annealing machine at SHOT Show 2015, it was big news in the reloading world. This was a real breakthrough — an induction annealer running on electricity that was fully programmable. No more flames to fuss with. The advent of the AMP annealer was a true “game-changer” for the shooting enthusiasts who reloaded their ammo.
The AMP system is based on smart science and modern technology. Right from the start, AMP invested in advanced lab equipment (such as gear for Micro-Vickers hardness testing). AMP also worked with independent outside metallurgical laboratories. And AMP invited shooters from around the world to send in sample cartridge cases. AMP accumulated a huge archive of cartridges from .17 Hornet to an array of .50 BMG wildcats and everything in-between. AMP’s archive includes multiple brands and even different lot numbers of the same cartridge. AMP now offers the most highly developed and precise consumer annealing system on the planet. That is because of the amazing amount of R&D behind the product, plus the use of advanced technologies.
Annealing Under the Microscope — Informative Articles
Alex and Matt Findlay have produced a series of articles called “Annealing Under the Microscope”. The first of these was released in July 2017. Part 1 was a general explanation of annealing, and busted a number of myths. It examined the repeatability of annealing over multiple reloads, and conducted a series of tensile bullet pull tests.
Annealing Different Brands of Brass
Part 2 of Annealing Under the Microscope covered an important topic — annealing for different brands of brass. This article examines the reasons why different brands of the same cartridge can require different annealing settings. The article also reveals that lot to lot variations of the same brand of brass can make a big difference.
AZTEC Annealing System — AMP Annealers become Smart Machines
In late 2017, Alex and Matt started the development of their revolutionary AZTEC system, which in effect transformed AMP annealers into SMART annealers. It meant that individual customers could analyse their own cases with laboratory grade accuracy without the need to send samples to the AMP lab for calibration.
Part 3 of Annealing Under the Microscope was released in July 2018 after nearly 12 months of R&D on AZTEC. It focused on how to best utilize this new self-calibration capability. It also highlighted the difference between several “premium” brands of brass compared to cheaper alternatives.
Benefits of Precision Annealing — Accuracy and Repeatability
Part 4 of the series was released in September 2019. It focused on the true benefits of accurate annealing, and the arguments for annealing every reload. The study identified sizing accuracy and repeatability as the key factor. This article also revealed the first prototype of AMP’s new auto bullet seater with seating pressure data capture.
Proof on the Target — Down-Range Benefits of Annealing
In Part 5 of the series, AMP’s experts focus on the real world, down-range benefits of annealing, turned out to be a much more complex process than AMP initially planned. Accordingly, Part 5 was conducted in three stages, with three detailed write-ups.
The Part 5, Stage 1 paper examined sizing accuracy of annealed vs un-annealed cases, taking two sets of three identical Peterson Cartridge .308 Winchester cases through twenty (20) reloading cycles. For every cycle, cases were measured both fire-formed and as re-sized. With each cycle the cases were measured for case length, shoulder bump, neck OD, and head OD.
Field Testing in Tennessee — Proof on Target
The Part 5, Stage 2 article covered detailed ballistic testing using multiple rifles, cartridges, and shooters at the Strategic Edge range in Tennessee.
The Tennessee testing sessions accumulated a wealth of data on velocity spreads and group sizes right out to 1,000 yards. The evidence showed a clear advantage for annealed brass, both for average group size and average Extreme Spread for the groups shot with AMP-annealed cases.
Underground Testing with Lou Murdica
Lastly, AMP’s Part 5, Stage 3 paper featured testing by Lou Murdica at an underground range in California. We have previously shown a video of Lou shooting one case, then reloading it and shooting the same case into the same hole at 100 yards.
This time he repeated the feat, shooting one un-annealed case twenty times into the one hole. Then Lou produced another even smaller 20-shot group, shot with a case which he annealed before every shot.
Enjoy These Technical Articles from AMP Annealing
Collectively AMP’s “Annealing Under the Microscope” series represents a remarkable body of outstanding work. Whether you anneal your cartridge brass now, or just want to learn more about the benefits of annealing, we recommend you take a look at this series of informative articles.
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“Ultimate PPC” by Speedy with engraved Stiller Viper action. Titanium Rest by John Loh (R.I.P.).
Just in time for Christmas, today we feature a beautiful red rifle built by West Texas gunsmith Thomas “Speedy” Gonzalez many seasons back. With an eye-catching, one-of-a-kind engraved Stiller Viper action, and gorgeous red/black gelcoat finish, we think this rifle is one of the prettiest benchrest rigs ever made — and the color scheme fits the holiday season.
When Speedy set out to build the “ultimate PPC” for his own use, he wanted it to be as handsome as it was accurate. This stunning 6 PPC combines some very trick components with old-world detailing. When was the last time you saw an engraved receiver on a “race gun”? This rig combines modern high-tech components with classic good looks — the best of both worlds.
This competition benchrest rig features an engraved Stiller Viper action, with integral scope rail, SAKO Extractor and non-fluted bolt. The action sits in a new Millenium BR-X carbon-fiber stock built by Robertson Composites (now closed). The bold red-on-black marbled finish is how the gelcoat came from Ian Robertson’s factory — the stock has not been painted. The slick front rest is a titanium Ultra-Rest machined by the late, great John Loh with design input by Speedy. John built only two of these in titanium, one for himself and one for Speedy. We’re sad to say John recently passed. R.I.P. John. The Leupold Competition scope sits in quad-screw bedded rings from S.G.& Y. Precision Rifles.
Speedy picked a very special barrel for this project–a 1:14 twist, 20.5″, 6-groove barrel, the last original Pat McMillan-crafted barrel in Speedy’s inventory. Speedy runs a .263″ neck. Bushing size depends on the load and the condition of his brass. Speedy’s match load is about 29.2 grains of the IMR 8208 “ThunderBird” powder (he stockpiled this great propellant years ago). Speedy feels that T-Bird may be the most user-friendly BR powder ever made: “Once you have a good load worked up with T-Bird, you can shoot it at most any location in the country, and in almost any conditions. It’s not fussy about temperatures or humidity.”
A Very Unique Viper Action, Two Years in the Making
This is no ordinary Viper action. The full engraving attracts your attention, but there are some slick “performance mods” Jerry Stiller added at Speedy’s request.
First, the action features a plain-Jane unfluted bolt, with a slight taper in the middle, a bit of a wasp-waist. Speedy prefers an unfluted design because it has superior wear characteristics. He’s found, when working with an aluminum action such as the Viper, the sharp flutes on the bolt will wear the inside of the action faster. In the interest of reduced wear, Speedy also requested a smaller-sized loading/ejection port. This provides for a larger front and rear receiver ring, which enhances bolt bearing surface. More bearing surface reduces point loading for less internal wear.
We were surprised that Speedy did not order a drop port for his Viper. He explained: “I’m a bag squeezer, so I keep my forearm right where the cases would exit the drop port. I’ve used the drop ports, but given my shooting style, I prefer a conventional port.” Speedy did decide to fit the bolt with a SAKO-style extractor. He believes this is easier to tune and can contribute to accuracy. Speedy told us: “With a conventional sliding plate extractor, like you find on the Stolle actions, there can be a bit of a side push as you chamber the round. I think this can affect the way the bullet enters the chamber. With the SAKO extractor there is no side-push so I can reduce the possibility of bullet misalignment.”
BR-X Stock — American Design, Canadian Craftsmanship
The BR-X carbon fiber stock represents a third-generation design. The original Millenium, built by Lee Six, was a hollow shell. This modern BR-X is carbon fiber over a foam core. In Light Varmint trim, it weighs just 1.5 pounds. Speedy tells us: “this BR-X has a low center of gravity, slight pistol grip, and the angles are really straight and true. It tracks well in the bags, and won’t lift out of the rear bag during recoil. That’s one of the purposes of the wedge-shaped rear section.”
Speedy looked at the various benchrest stocks, and, with input from Tony Boyer, he worked out a design that mirrored many of the better features of existing designs with some significant enhancements. The first thing you’ll notice is that the geometry is very uniform. The flats on the side of the fore-arm are perfectly parallel. The underside of the fore-arm is seamless and completely flat. Speedy explained “one problem we’ve seen with stocks that have a mold seam in the middle is that sometimes the two halves of the mold don’t mate perfectly. Sometimes the mold is mismatched so one side is on a different plane. That creates all kinds of handling issues. If the bottom of the stock is convex, even a little bit, you lose a lot of stability.”
Much thought went into the rear section of the stock. Speedy and Tony found that many stocks would start off tracking well, but by the end of the string they were pulling themselves out of alignment. Speedy noted that with some more conventional designs, they tended to ride up out of the rear bag after two or three shots. The BR-X works differently. It uses a wedge design, rather than a radius, so it tends to drive itself down into the bag on recoil. The BR-X is not the only stock to use a wedge in the rear, but it is different than other wedge designs. According to Speedy: “On most other wedge stocks, the wedge tapers towards the pistol grip, making the ‘V’ wider towards the end of the buttstock. This will change point of aim as the stock moves. The BR-X has a wedge that is a constant ‘V’, with no taper from the end to the pistol grip. This does make the gun track better and stay on target better.”
Competition Benchrest Terminology
Bughole: Very small group.
Mothball: The 10-ring on the standard Benchrest Target.
Tomato Stake: A worn out or otherwise inaccurate rifle barrel.
Screamer: A group measuring less than 0.100″ at 100 yards or less than 0.250” at 200 yards.
Weather Report: A Group “scattered” as a result of poor wind doping.
Wailing Wall: Place where targets that have been scored can be viewed by competitors.
Dope the Wind: Ccompensate for the effects of wind by shifting aiming points on the target.
Barrels–The Hunt for a ‘Hummer’
Top 6 PPC competitors often run through a number of barrels in the quest for a “hummer” that performs optimally. In addition to the Pat McMillen tube on this gun, Speedy uses barrels from Hart, Krieger, and Shilen. He’s tried a few from some other boutique barrel makers and they shot well, but he wasn’t satisfied with the barrel life. Some of them lost their competitive edge after just 500-600 rounds. He won’t name names in print, but you can call and ask. When choosing a barrel, Speedy recommends that you invest the time and call a few well-known smiths who regularly compete in high-level BR matches. Find out what’s working real well currently.
Speedy says, “you can read the equipment lists from the big shoots, but the printed results can be deceiving. That winning barrel might have been produced a couple of years ago. Barrel-makers do have good runs and not-so-good runs. Do your homework and find out what’s working best right now.” Speedy prefers 6-groove barrels: “I’ve shot em all one time or another. It seems that the 6-groove barrels are easier to get to shoot. It seems at 200 yards bullets from a 4-groove barrel move more than from a 6-groove barrel. Both windage and elevation. I think Tony Boyer feels the same way.” [Editor’s Note: Speedy’s groove observations were made many seasons ago. Today, many top shooters are using 4-groove and 5-groove barrels, and 3-grooves have been successful in score competition.]
We asked about Speedy’s signature “SpiderWeb finish”. While the web design has esthetic appeal, there is a functional side as well: “Tests have shown that a bead-blasted barrel will shed heat faster than a highly polished barrel. With the SpiderWeb, we leave most of the bead-blast finish on the barrel, but the web effect gives the tube some visual appeal.”
Speedy Speaks — How to Succeed in Benchrest Competition
Let me begin by saying that benchrest competition is the most difficult sport I’ve ever tried. For the newcomer, it can be daunting. From the very word “go” you are thrown to the wolves. Most new competitors have about a two and a half or three-year window. After that, if they are not meeting their expectations, they get fed up and leave the sport. Considering the time, effort, and money they may have expended in that time, that’s an unfortunate outcome.
So, how does one improve as a shooter and get to the point where you are meeting your goals? First you need to break down the shooting process into its parts–gun handling, loading technique, wind awareness, time management, bag set-up, and what I call ‘bench management’. Then you need a mentor. Benchrest is like golf–you can have the best equipment (best action, best stock, best rest) but you won’t get far without a knowledgeable veteran to monitor your progress and observe your technique. Without a mentor, benchrest is a rough game to play and you can reach a frustration point after a couple of years.
If you don’t have somebody who can sit and evaluate your loading style, bolt-working, follow-through, and wind-reading etc., you can develop bad habits that are hard to break. If there’s no one to monitor your shooting and see what you’re doing wrong, you’ll keep making the same mistakes. So how does one find a mentor? Well it’s not a bad idea to attend one of the shooting schools. But one-on-one training is best. Look for someone with a strong record in competition, but a person who is also patient. And when you find that person, show some loyalty. With most people who have been involved in the sport a while, if you show them allegiance, they will return that allegiance.
6mm PPC Basics — About the Cartridge
Developed by Louis Palmisano and Ferris Pindell (left and right in photo), the 6 PPC is the “King of the Hill” in short-range benchrest competition, the most accurate cartridge ever invented. It still completely dominates 100- and 200-yard Group BR Shooting. If you want to win in that game, you pretty much have to shoot a 6 PPC, or some close variant of the 6 PPC cartridge design.
Easily made from Lapua 220 Russian brass, the 6mm PPC has a small primer and small flash hole. The small flash hole/primer accounts for much of the 6 PPC’s superior accuracy, though nobody really knows precisely how or why. The “short, fat” shape and nearly straight body contribute to efficient, consistent combustion and good “chamber behavior”.
While SAKO has created an official SAAMI 6mm PPC round, called the 6PPC USA, most American 6 PPC shooters run tight match chambers cut with custom reamers. There will be variations from one reamer to another, enough so that custom dies are generally recommended for match guns. Here is a PT&G reamer spec’d by Speedy a while back. He prefers a .263″ neck because that works better than .262″ when he needs to use his tightest bushings to get more neck tension.
The 6 PPC’s case capacity, case size to bore ratio, and combustion properties seem to be just about ideal for the short 6mm match bullets. A 6BR can come close, but when the goal is shooting “zero” groups at 100 and 200 yards, the 6 PPC is the clear winner. Currently most 6 PPC shooters form their cases from Lapua 220 Russian brass. Norma also makes factory-formed 6 PPC cases, but Norma brass is not commonly used as most shooters believe it is less “tough” than Lapua brass and accordingly won’t last as long with very stout match loads.
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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.
1. Bullet Central — Lapua Brass Sale
We’re coming up on the end of the year and that means it won’t be long until it’s time for matches. Get ahead during the off season by taking advantage of the Lapua brass sale at Bullet Central. It’s smart to buy your brass for the 2020 season now, so you can do your brass prep and loading during the winter months.
The LabRadar is arguably the most sophisticated consumer chronograph on the market. These units rarely go on sale — but here’s your chance. Right now you can now get a LabRadar for $499.95 — that’s $60 off the normal price. (Sale price good through December 2, 2019). Purchase direct from Mylabradar.com, or order from leading vendors Midsouth Shooters (in-stock $499.95), Bruno’s (back-order $499.95), and Creedmoor Sports ($499.95 in stock).
3. Brownells — Giant Ammo Clearance
You can find discounts on certain ammunition brands at various vendors, but we’ve never seen a huge clearance like this with so many ammo types on sale. Take some time to check out all the amazing Ammo Clearance Deals now at Brownells. Over 1800 products are clearance priced so there’s sure to be something for everyone.
4. Natchez — Holiday Discount Codes, Save $10, $25, $40
Right now you can get direct money OFF nearly all products at Natchez Shooters Supply. Save $10 on purchases of $100 or more with CODE D191118A, or save $25 on $200 with CODE D191118B, or save a full $40 (13.3%) on orders of $300 or more with CODE D191118C. You must act soon, however, as these Discount Codes expire at 11:59 pm November 20, 2019. Some restrictions apply.
5. Field & Cave Outfitters — Silhouette Targets, up to 40% off
If you’re tired of shooting at paper targets, check out these sturdy varmint benchrest silhouette targets from Field & Cave Outfitters. There are a variety of animals to choose from. Right now you can save up to 40% off on these quality steel silhouette targets. The Prairie Dog and Armadillo are laser-cut and bent 18ga cold-rolled steel. The Coyote and Hog are 3/8″-thick AR500 steel, laser- cut then welded.
Here’s a great deal for those looking to either add a handgun to their collection or for those just getting started in the shooting sports. We found the Ruger Security-9 in 9mm for a great price of $279.99. Under $280 for a reliable, sturdy Ruger 9mm — that’s a smart choice for personal defense. This features a blued steel slide, 4″ barrel, polymer frame, and 15-rd magazine.
7. Amazon — Padded Shooting Mat, $37.99
Are you new to prone shooting or tired of using an old worn out mat? Grab one of these Redneck Convent padded shooting mats and you shoot in style and comfort all day long. These pads are weather, chemical and water resistant and the durable PVC material is easy to clean and maintain. Best of all it rolls up for easy storage and transport.
8. Midsouth — Frankford Arsenal Vibra Prime, $39.99
Do you still load up your priming tubes the old fashion way, one at a time out of a flip tray? Save yourself time and trouble with the Frankford Arsenal Vibra Prime Primer Tube Loader. This tool loads a universal primer tube in just seconds and can transfer the primers to just about any brand primer tube just as easily. We’ve used one of these for years without Hornady, RCBS and Dillon tubes without any issues.
9. Amazon — Waterproof Clipboard, $19.98
Planning on hitting the range or that next match but the forecast says there might be a few showers? Fear no more as you can grab one of these waterproof clipboards and keep your load data notes or your shooting partners scores safe and dry. We keep one of these with us anytime we go to a match because you can flip it over and use it as a regular clipboard when it’s dry too!
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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’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.
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.
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.
Dasher 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.
I 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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Folks have asked if there is a tool that can remove obstructions from a Lapua small, BR-sized flash hole without opening the hole size. The Lapua PPC/BR flash hole is spec’d at 1.5mm, which works out to 0.059055″. Most of the PPC/BR flash-hole uniforming tools on the market use a 1/16″ bit which is nominally 0.0625″, but these often run oversize — up to 0.066″.
If you want to just clear out any obstructions in the flash hole, without increasing the flash hole diameter, you can use an inexpensive, five-dollar “pin vise” with an appropriate drill bit. For $1.00, eHobbyTools.com sells a 1.5mm pin vise bit, item 79186, that matches the Lapua flash hole exactly. Other vendors offer a #53 pin vise bit that measures .0595″ or .060″ (depending or source). An 0.0595″ bit is close enough. You can find pin vises and bits at hobby stores, and eHobbyTools sells pin vises for $4.99 to $7.99.
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Are you a PRS shooter or tactical competitor who may have to leave cartridge brass on the ground during a match? Or are you a varmint hunter who may need 1000+ cases for a big varmint safari? Here’s a deal for you — 6.5 Creedmoor and 6.5 Grendel brass for under forty cents ($0.40) per case. Right now Midsouth is running a big sale on bulk-bag, Hornady-brand 6.5 Creedmoor and 6.5 Grendel brass. The 6.5 Creedmoor is $194.99 for 500 cases, while the 6.5 Grendel is $184.99 for 500 cases. Either way you’ll pay less than $40 per hundred. Compare that to $110+ for some premium brands of brass for these cartridge types.
“Wait a minute”, you might say, “why would I want Hornady brass — shouldn’t I be using Lapua brass instead?” Well yes, in most situations you should use Lapua brass — you get what you pay for. Premium Lapua brass will deliver better ES/SD, better accuracy, and last longer (a LOT longer).
However, there are situations when you cannot recover your brass during a match or the range does not allow you to retrieve brass. Rather than leave precious Lapua brass on the ground, this cheap Hornady brass is a cost-effective alternative.
Likewise, if you need hundreds (or even thousands) of cases for a varmint hunt, where sub-MOA accuracy will suffice, you may want to buy this Hornady brass to get more quantity for your money. With this deal you can get FIVE HUNDRED cartridge cases for less than you’d pay for 200 premium 6.5 CM or 6.5 Grendel cases. That makes a difference when you may prepare 1000+ rounds for a multi-day varmint safari.
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Here are highlights from an article Glen Zediker wrote for the Midsouth Blog. In this article Glen focuses on cartridge brass for semi-auto rifles, AR-platform guns in particular. Glen notes that semi-autos are tougher on brass than bolt-action rifles, so you need strong, durable brass, that has been full-length sized. And you need to be careful about neck tension, and primers. The article starts with Glen’s recommendations for tough, hard brass, and then includes the points outlined below.
ONE: Full Length-Size Cases with Adequate Shoulder Set-Back
This is a huge source of debate… amongst my readers, but, since now I’m strictly speaking of semi-auto needs I doubt there will be much dissent: full-length resize all cases! Most cases from most semi-autos will emerge with a pretty well-blown case shoulder [taming down an excessively functioning gas system can reduce this]. Make double-sure you’re sizing the cases down to at least 0.003 clearance. If you don’t there are safety and function problems ahead.
TWO: USE Sufficient Neck Tension
The case neck [must be] reduced an adequate amount to retain the bullet. There should be a minimum net difference of 0.003 inches (three-thousandths) between sized outside case neck diameter and loaded round outside case neck diameter. [Editor — that means at least three thou of “grip”.] Reason: don’t take a chance of inadvertent bullet movement during the recoil and feeding cycles. That movement can be back or forward! It’s easily possible for a bullet to jump ahead when the inertia from the bolt carrier assembly chambers the next round.
THREE: Use Tough Primers
Choose a tough primer! There’s a floating firing pin on an AR15 (M1A also) that is supposed to be held in check but that system doesn’t always work! If you load and extract a round and see a little dimple in the primer, that’s from the firing pin tapping off of it (again, created by inertia of bolt closing). A combination of a high primer and a sensitive primer cup assembly can create a “slam-fire”. Brands? CCI has some mil-spec primers that work well, and I’ve had great success with Remington 7-1/2. Some of the well-respected “match” primers are a little thin. The CCI and Remington also hold up well to the (sometimes) greater firing forces working on the primer (again, from the quick unlocking).
And, finally, make double-sure that each and every primer is seated to below flush with the case head! That’s true for any firearm (because it also means that the primer is fully seated) but imperative for safety in a semi-auto. This is especially an issue for those who use a progressive-type loading press.
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At the request of our readers, we provide select “Deals of the Week”. Every 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.
1. Grafs.com — All Lapua Products on Sale — Brass, Bullets, Ammo
If you want to win, and want brass that lasts, think Lapua. Over 90% of all modern benchrest records have been set with Lapua brass. What’s more, Lapua makes outstanding bullets. Lapua Scenars have delivered superb accuracy in our site’s benchrest and tactical rifles. As for factory ammo, again Lapua is hard to beat. We got our hands on some Lapua 90gr 6mmBR factory ammo a few seasons back. That stuff was amazing. It delivered honest 5-shot, quarter-MOA groups! If you want these superior Lapua products, now is a great time to buy. Grafs.com is running a giant sale on all Lapua-brand products, including brass, bullets, and loaded ammo. You’ll save at least 10% on everything, with many items 20-24% off, and select loaded ammo up to 59% off. Lapua 6.5 Creedmoor SR brass is discounted 22%, a great deal. Plus, if you spend $250 or more you’ll get a free box of Lapua Center-X.
Get a Ruger Precision Rifle in 6mm Creedmoor for $788.00 complete. That price, which includes rings, is great for a Gen 2 model. If you’ve been thinking of purchasing a Ruger Precision Rifle (RPR) chambered for the 6mm Creedmoor cartridge, this is a killer deal. Right now GunPrimer.com is offering this popular tactical rig for under $800.00, in the 6mm Creedmoor chambering. This shoots faster and flatter than the 6.5 Creedmoor — so many PRS guys have switched to it. This is a good choice for the PRS production class, or you can take in to another level of performance with a Pre-Fit 26″ cut-rifled barrel from Krieger. This is the lastest RPR Gen 2 version with the upgraded handguards. Heck of a bargain boys — you can pay $1200 or more elsewhere for the same rifle.
3. Midsouth — 6.5mm 123gr Match Bullets, $119.99 for 500
This is a great option for PRS and tactical shooters. These 6.5mm bullets work great with the popular 6.5mm cartridges such as 6.5 Creedmoor, 6.5 Grendel, and 6.5×47 Lapua. With a shorter length than the 140s, these fit magazines better. Plus we’ve found you can run these significantly faster than the 140gr class 6.5 mm bullets, so you are not giving up that much in drop or windage. G1 Ballistic Coefficient is .510
Reloading information is interchangeable with 6.5mm Nosler Custom Competition bullets with the same grain weight. NOTE: These Match Monster Bullets are NOT BLEMS!
4. Al’s — Vortex Razor HD 20-60x85mm Spotting Scope, $809.99
AMAZING DEAL — save $390.00! Other vendors sell this very same Razor HD spotter for $1199.
Here’s a great deal on a high-quality spotting scope from a top optics maker. AL’s Sporting Goods has last year’s model Vortex Razor 20-60x85mm spotter for only $899.99, including eyepiece. This impressive HD-glass spotter sells elsewhere for $1200.00. But it gets better — use Code ALS10 for another 10% Off, bringing the final price down to $809.99. This is a very good spotter for the money and Vortex has one of the best warranties in the business.
5. Powder Valley — Hodgdon Powders In-Stock at Great Prices
H4895, Varget, H4350 — these are all great powders for competition cartridges such as the 6mmBR Norma, 6 Dasher, 6.5 Creemoor, and .284 Shehane. Because these powders work so well, they can be hard to find. Right now Powder Valley has a great supply of these and other excellent Hodgdon powders (such as H4198 and H4831sc) in both 1-lb and 8-lb containers. For example H4350 and Varget are $27.35 for 1-pounders, while H4895 and H4198 are just $26.35 for a 1-lb bottle. An 8-lb jug of H4350 is $194.50, a lot less than you’d pay in most retail stores.
6. Sportsman’s Guide — Browning Buck Mark, $279.99 with Code
Everyone should own a nice .22 LR rimfire pistol. The Browning Buck Mark is a classic, and for good reason. These pistols are reliable, well-balanced, have a good trigger, and they are very accurate. We have nothing but praise for the bull-barreled Buck Marks. And now you can get one for a super-low price. Sportsman’s Guide has the Browning Buck Mark Camper UFX with 5.5″ Barrel on sale for $299.99 ($284.99 member price). But it gets even better — if you use Code “WARRIOR” during check-out, you save $20.00, putting your total price at just $279.99 (or $264.99 for SG members). That’s a great deal on a very solid rimfire pistol that can serve you well for decades.
7. CDNN — Cleaning Set and Tool Kit in Wooden Box, $19.89
We doubt $20 spent any other way could deliver more utility (for a gun owner) than this Outers Combo Cleaning Kit and Driver Set. In a nice wooden box there is a 28-piece gun cleaning set, PLUS you get a 51-piece screwdriver and tool kit that includes Flat, Phillips, and Torx heads in multiple sizes. Here’s what you get for just $19.89:
51-Piece Screwdriver Driver Kit
Molded Driver with Magnetic Tip
15 Flat Head Bits
10 Hex Bits (inch)
9 Hex Bits (metric)
4 Phillips Bits
9 Torx Bits
2 Extra Long Phillips Bits
1 Hex to Square Adapter
8. Stocky’s — LR Stocks with Aluminum Bedding Block, $199.99
Here’s a good deal on a versatile Stocky’s Long Range Stock with aluminum V-block bedding system. For just $199.99, order this for Rem/Rem Clone long actions or short actions, with either narrow or wide (varmint/tactical) barrel channel. This would be a good choice for a varmint rifle. This is also offered with handsome hydrographic or web-pattern baked-on textured finishes for $219.99.
9. Amazon — Jialitte Scope Bubble Level, $10.99
All serious rifle shooters need a scope level. This nicely designed Jialitte Scope Bubble Level features a 30mm milled inside diameter, plus an inner insert ring so it will also fit 1″-diameter main tubes — that dual-diameter versatility is a nice feature. We also like the way the unit is nicely radiused, and has a low profile in the middle. Price is just $10.99 with free shipping. User reviews have been very positive. You could easily pay $35.00 or more for a 30mm scope level. Purchasers have praised this product — nearly all verified buyers rated this five stars.
10. Amazon — 12″ x 12″ Splatter Grid Targets, 10 for $9.99
This 12″x12″ Splatterburst Target combines splatter shot marking with a grid background, with five aiming points. The bright neon shot circles make it easy to see your shots. And the handy grid lets you quickly estimate your group size. Get a 10-pack for $9.99, or a 25-pack for $17.99 (better deal). This particular target has earned rave reviews — 87% of verified buyers gave this a FIVE-Star rating. One example: “Excellent quality and durability. The adhesive is really strong. High contrast makes down range targeting easy and the splatter contrast is [great].”
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Sometimes everything comes together — a great barrel, the right load, good bullets, and, of course, a gifted trigger-puller. Check out this target from Forum member Mike Ezell. That’s five (5) shots at 100 yards from Mike’s 30 Major benchrest rifle. When this group was shot a while back, Mike reported: “I fired a few groups in the great weather. No surprises — it did VERY well! My little wildcat, the 30 Major, has always been a shooter. That target was not a fluke — I shot a few groups today and Agg’d a high One.” Mike is a Kentucky gunsmith who builds his own rifles.
30 Major is Based on 6.5 Grendel
What’s a “30 Major” you ask? This is Mike’s own wildcat, a 6.5 Grendel necked up to .30 caliber. Mike writes: “The 30 Major is essentially a .070″-long 30 PPC. With the great 6.5 Grendel brass available from Lapua, all you need to do is neck-up and turn the necks to prep the brass.” Mike says it is very much like a 30 BR, but you just start with 6.5 Grendel brass instead of 6mmBR brass.
The cartridge has one major benefit — it utilizes a PPC-diameter bolt face. That makes it easy to convert your group-shooting 6 PPC to shoot score with .30-cal bullets. Mike explains: “If you have a PPC, to shoot score, all you have to do is chamber up a [.30 caliber] barrel and screw it on your PPC.”
From 7.62×39 Russian to 30 Major — Full Circle
Arms expert Neil Gibson has an interesting perspective on the lineage of the 30 Major. He reminds us that this wildcat has returned to its roots: “Start off with the 7.62×39 Russian [cartridge]. The Russians then modify it, necking it down to .223 for deer hunting. The U.S. benchrest guys then modify that, necking it up to 6mm and blowing the case out making the 6mm PPC. Someone takes that case, necks it out to 6.5 mm, making the 6.5 PPC. Alexander Arms takes that and makes the 6.5 Grendel. Then finally Mike Ezell takes the Grendel and necks it up to 30 caliber, making the 30 Major. From 30 caliber, back to 30 caliber. OK, the original uses .31 caliber bullets, but the bore is still .300. Talk about almost coming round full circle!”
7.62×39 Russian
v
.220 Russian
v
6mm PPC
v
6.5 PPC
v
6.5 Grendel
v
30 Major
The 7.62×39 Russian was the Grand-Daddy of the 30 Major…
Great Accuracy Restored after Solving Mystery Problem
To get his 30 Major rig shooting this well, Mike had to solve a mysterious problem that cropped up last year. Mike explains: “Two years running, I have finished in the top 15 in IBS points shooting [the 30 Major], but last year’s benchrest season was tough.” Mike was having some accuracy issues that defied explanation. But he figured it out: “The front action screw was bottoming out against the barrel extension – just barely. A simple fix brought the gun back to life. It’s a Stiller Viper Drop Port. The action is screwed and glued into the stock, so I was a bit surprised … especially after having checked for [that issue] while looking for the problem. I’m just glad to have found the trouble so I can begin to re-instill some confidence in the gun and myself, after last year.”
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Since 2010, Lapua has shipped its quality cartridge brass in sturdy blue plastic boxes. Here’s a handy tip for you — don’t toss the plastic boxes when you load up your brass! These are double-duty containers. If you’re not familiar with “Blue Box” Lapua brass, you may not realize that the boxes are designed to serve as 50-round carriers for your loaded ammo and fired cases. (Yes we know some folks who’ve been tossing out their blue boxes without knowing how the boxes work as caddies.)
Snapped in place under the box lid is a rectangular plastic grid that fits in the bottom of the box. Pop the grid loose and slide it into the box with the smooth side facing up. Side supports molded into the lower section hold the grid in place.
Voilà, instant Ammo Box! Each grid contains holes for fifty (50) loaded rounds or empty cases. The convertible plastic container/ammo box is a great idea that Lapua executed very nicely. Now you have even more motivation to purchase your cartridge brass from Lapua.
USER TIPS: When transporting ammo you may want to put some foam over the loaded rounds. That will protect the bullet tips. Also, with shorter cartridges, this will help keep your loaded ammo and fired cases from moving around. You can also tape the FREE Redding Ammo Box Labels on the underside of the lids to list your load information.
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Here is interesting news, particularly for pistol shooters and PRS competitors. You can now get premium, induction-annealed cartridge brass from SIG Sauer, the noted maker of Swiss-designed pistols and rifles. SIG Sauer is now manufacturing pistol and rifle brass at its state-of-the-art ammunition facility in Jacksonville, Arkansas. Notably, all Elite Performance rifle shell cases are induction annealed for consistent neck tension and case longevity. SIG states this brass is “engineered to exacting tolerances” and “the geometric consistency … ensures each primer is held tightly in its pocket. Flash holes are precise with no burrs and the superior metallurgical properties of the SIG Sauer cases enable repeated reloading.”
Rifle Brass Pricing is Attractive
We haven’t tried SIG Sauer rifle brass yet, but we are tempted as pricing is competitive. For example, a 50-count bag of 6.5 Creedmoor brass costs $33.95 on SIG’s online store. Varminters take note — 50 22-250 brass cases cost $25.95, while a 100-ct bag of .223 Rem brass is $35.95 (just 36 cents each).
SIG rifle cases are available for these cartridge types: .223 Rem, 22-250 Rem, .243 Win, 6.5 Creedmoor, .300 BLK, .308 Win, .and 300 Win Mag. Coming soon are .270 Win and .30-06 Springfield brass. Cases for most rifle cartridge types are sold 50 to a bag (100 for .223 Rem).
SIG Pistol Brass Sold Both Primed and Unprimed
SIG’s pistol brass is offered either primed or unprimed, at affordable prices. For example, 100 .45 ACP cases cost $33.95 primed, or $27.95 unprimed. 9mm Luger is even cheaper — just $25.95 for primed cases, or $20.95 for 9mm unprimed. To save time, we’d be tempted to buy the primed cases.
SIG pistol cases are available, primed or unprimed, in 100-ct bags for the following cartridge types: .380 Auto, 9mm Luger (9x19mm), .357 SIG, .38 Special, .357 Magnum, 40 S&W, 10mm Auto, .45 ACP.
COMMENT: Honestly, we don’t see many Benchrest and F-Class competitors moving away from Lapua brass which is superb, and holds the vast majority of records in those disciplines. However, for other disciplines, such as 3-Gun and Tactical matches, where you may not be able to recover your brass, it makes sense to consider cheaper alternatives. Likewise, varminters, who may shoot hundreds of rounds in an outing, may favor less costly cartridge brass.
“Each brass case undergoes rigorous in-line and post production quality assurance testing to ensure a flawless casing”, said Brad Criner, SIG Sauer’s Senior Director of Brand Management and Business Development. “The result is unparalleled durability and dependability.” All SIG Sauer Elite Performance ammunition and components are manufactured at SIG’s new ammo plant in Jacksonville, Arkansas. For more information on SIG cartridge brass visit the SIG Sauer Brass Webpage.
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If you have a rifle chambered in .260 Remington, you may be wondering if the Lapua .260 Brass is worth the money compared to domestic-made brass. Well, the answer is “yes” if you demand consistent weight and dimensional uniformity (including neckwall thickness).
Mike Harpster of Dead Center Sports took the time to weigh and measure Lapua .260 Rem brass. His test show this brass to be extremely uniform. Weight variance was less than one (1) grain in a 20-case sample. And case neckwall thickness was very consistent.
Report by Mike Harpster: Lapua .260 Rem Brass Test Results (with Comparisons)
I pulled twenty (20) pieces randomly from one Lapua box to do some measurements. I weighed them on my Mettler-Toledo digital lab scale and here are the individual weights of each case. Remarkably, the Lapua brass had less than one grain total weight variance among all 20 cases!
While checking the Lapua brass I remembered I had just received some Winchester brand .308 brass, so I thought it would be interesting to do a comparison between the two brands. I again pulled 20 cases at random from a bag of 50 and repeated the same measurements. The results are shown in the right half of the table below.
Weight Variance Lapua .260 Rem Brass vs. Winchester-Brand .308 Win Brass
LAPUA .260 Rem Brass
Winchester .308 Win Brass
Average: 172.20 grains
ES: 0.94 grains
SD: 0.259
Average: 158.49 grains
ES: 2.64 grains
SD: 0.678
Winchester Brass Further Inspection
The flash holes on the majority of the Winchester brass were not round or centered and they had large burrs inside. The neck wall thickness was pretty consistent, varying only .0015″ (.0125″ – .014″). As you can see in the photo (right) many of the Winchester cases were badly dented while the Lapua brass showed very few minor dents. The annealing on the necks of the Lapua brass was clearly evident while the Winchester showed no signs of being annealed. [Editor’s note: Winchester tumble-polishes its brass before shipping — so you would not notice annealing coloration if annealing had been done.]
Lapua Brass Further Inspection
With sample Lapua .260 Rem cases, I also measured the neck wall thickness in four places with calipers, not the most accurate method but I feel confident that the thickness did not vary more than .001″ over the 20 cases (.0145-.0155). The inside diameter of the neck measured .260 which would give .004 of neck tension out of the box. I visually checked the flash holes and I did not find any flakes of brass or burrs inside, the holes were round and centered.
Summary — This Lapua Brass is Impressive
I have never done these measurements on any other brass so I don’t know how they compare, but I am very impressed with the overall quality of the Lapua .260 brass. If they prove to hold up to the repeated firings I get from my Lapua 6BR brass I believe .260 shooters will be very happy.
Just in time for Christmas, today we feature a beautiful red rifle built by West Texas gunsmith Thomas “Speedy” Gonzalez many seasons back. With an eye-catching, one-of-a-kind engraved Stiller Viper action, and gorgeous red/black gelcoat finish, we think this rifle is one of the prettiest benchrest rigs ever made — and the color scheme fits the holiday season.
First, the action features a plain-Jane unfluted bolt, with a slight taper in the middle, a bit of a wasp-waist. Speedy prefers an unfluted design because it has superior wear characteristics. He’s found, when working with an aluminum action such as the Viper, the sharp flutes on the bolt will wear the inside of the action faster. In the interest of reduced wear, Speedy also requested a smaller-sized loading/ejection port. This provides for a larger front and rear receiver ring, which enhances bolt bearing surface. More bearing surface reduces point loading for less internal wear.
Much thought went into the rear section of the stock. Speedy and Tony found that many stocks would start off tracking well, but by the end of the string they were pulling themselves out of alignment. Speedy noted that with some more conventional designs, they tended to ride up out of the rear bag after two or three shots. The BR-X works differently. It uses a wedge design, rather than a radius, so it tends to drive itself down into the bag on recoil. The BR-X is not the only stock to use a wedge in the rear, but it is different than other wedge designs. According to Speedy: “On most other wedge stocks, the wedge tapers towards the pistol grip, making the ‘V’ wider towards the end of the buttstock. This will change point of aim as the stock moves. The BR-X has a wedge that is a constant ‘V’, with no taper from the end to the pistol grip. This does make the gun track better and stay on target better.”
Speedy says, “you can read the equipment lists from the big shoots, but the printed results can be deceiving. That winning barrel might have been produced a couple of years ago. Barrel-makers do have good runs and not-so-good runs. Do your homework and find out what’s working best right now.” Speedy prefers 6-groove barrels: “I’ve shot em all one time or another. It seems that the 6-groove barrels are easier to get to shoot. It seems at 200 yards bullets from a 4-groove barrel move more than from a 6-groove barrel. Both windage and elevation. I think Tony Boyer feels the same way.” [Editor’s Note: Speedy’s groove observations were made many seasons ago. Today, many top shooters are using 4-groove and 5-groove barrels, and 3-grooves have been successful in score competition.]
So, how does one improve as a shooter and get to the point where you are meeting your goals? First you need to break down the shooting process into its parts–gun handling, loading technique, wind awareness, time management, bag set-up, and what I call ‘bench management’. Then you need a mentor. Benchrest is like golf–you can have the best equipment (best action, best stock, best rest) but you won’t get far without a knowledgeable veteran to monitor your progress and observe your technique. Without a mentor, benchrest is a rough game to play and you can reach a frustration point after a couple of years.
Developed by Louis Palmisano and Ferris Pindell (left and right in photo), the 6 PPC is the “King of the Hill” in short-range benchrest competition, the most accurate cartridge ever invented. It still completely dominates 100- and 200-yard Group BR Shooting. If you want to win in that game, you pretty much have to shoot a 6 PPC, or some close variant of the 6 PPC cartridge design.
Dasher Loading Tips
I 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.
Here is interesting news, particularly for pistol shooters and PRS competitors. You can now get premium, induction-annealed cartridge brass from SIG Sauer, the noted maker of Swiss-designed pistols and rifles. SIG Sauer is now manufacturing pistol and rifle brass at its state-of-the-art ammunition facility in Jacksonville, Arkansas. Notably, all Elite Performance rifle shell cases are induction annealed for consistent neck tension and case longevity. SIG states this brass is “engineered to exacting tolerances” and “the geometric consistency … ensures each primer is held tightly in its pocket. Flash holes are precise with no burrs and the superior metallurgical properties of the SIG Sauer cases enable repeated reloading.”
If you have a rifle chambered in .260 Remington, you may be wondering if the Lapua .260 Brass is worth the money compared to domestic-made brass. Well, the answer is “yes” if you demand consistent weight and dimensional uniformity (including neckwall thickness).
Winchester Brass Further Inspection
