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May 2nd, 2026

Saturday Movies: AR-Platform Varmint Rifles — .17 Cal to 6mm

.17 wsm 20 practical ar-15 ar ar15 varmint rimfire

With spring soon changing to summer, we are in peak varmint season in many parts of the country. In an area with a high number of critters, a semi-auto varmint rifle is a good choice. You get quick follow-up shots, with reliable 20-rd and 30-rd magazines.

For this Saturday at the Movies Showcase we feature a variety of semi-auto, AR-platform rifles chambered for efficient, high-velocity varmint ammo. Cartridges include: .17 WSM, .17 Remington, .20 Practical, .204 Ruger, .22 Grendel, .223 Rem, and 6mm ARC. We conclude with a video that reviews a variety of lead-free .223 Rem ammo types.

Rock Chuck Hunting in Eastern Oregon

This video has some great backcountry footage. The host nails a number of rockchucks with his .223 Rem-chambered AR-15. The shooter says that the default AR-15 cartridge works great for varmints: “The .223 Remington becomes a rockchuck hunter’s friend with the right load: Nosler 40gr Ballistic Tip loaded over a stuffed case of H335 powder. This achieves 3800 FPS with excellent accuracy.”

.17 Remington AR-15 — Small Bullet, Ultra-High Velocity

The .17 Remington wildcat is based on the .223 Remington case necked down to .172″, with the shoulder moved back. High muzzle velocity (4000+ FPS), flat trajectory, and very low recoil are the .17 Remington’s primary attributes. It has a maximum effective range of about 440 yards on prairie dog-sized animals, but the low BCs of the small .17-cal bullets makes them quite susceptible to crosswinds at such distances.

.17 wsm 20 practical ar-15 ar ar15 varmint rimfire

This Varminter.com video was created in spring 2022, just in time for Rockchuck and Thermal Coyote hunts. The host noted: “This was my first experience with the .17 Remington, but I was not unaware of its history and steady popularity among varmint and predator hunters. Although finding an available and affordable .17 Remington bolt-action rifle is nearly impossible nowadays, building one in an AR-15 was simple and straight-forward.” The video has full description of all the components for the build. The .17 Rem is fast — the 25gr bullet runs 3777 FPS from an 18″ barrel (see 01:42 time-mark). READ Full Story.

.17 WSM Rimfire in Franklin Armory F17-L

What’s the ultimate rimfire varmint rifle? An AR chambered for the .17 WSM could be the answer. Eric Mayer of Varminter.com states: “The Franklin Armory F17-L in .17 Winchester Super Magnum (WSM) has a lot of firsts. It is the first semi-automatic rifle in .17 WSM now available to the general public. It is the first gas-piston system, AR-15 rimfire rifle built in partnership between Franklin Armory and Osprey Defense.”

Eric has used the .17 WSM AR shooting ground squirrels, rock squirrels, prairie dogs, and rabbits. Eric notes: “The report of the .17 WSM is nowhere near as loud as most of the centerfire [varmint] cartridges. I found that when I shot the FA-17, it did not cause the other ground squirrels… to run for cover. The lack of recoil … allowed me to see right where I hit [and] if I happened to miss, [low recoil] made for quick corrections for wind, or distance.” READ Full Report

.17 wsm varmint rimfire
The .17 WSM is a much larger, more powerful round than the .17 HMR. See the size difference above.

Eric Mayer created his own custom .17 WSM AR-15 varmint rifle, built with a Franklin Armory F17-V4 Upper, Aero Precision Lower, and Magpul stock. This was used in California and Arizona. READ Full Story.

.20 Practical — Fast, Accurate, Easy to Form

The .20 Practical cartridge is simply a .223 Rem necked down to .20 caliber. This is a great choice for prairie dogs — and probably our favorite wildcat for the AR-15. Just neck down your .223 Rem brass, fit a .20-Cal barrel and you’re good to go. Robert Whitley notes the the .20 Practical “is a perfect cartridge for varmint hunting and general shooting — very accurate and fast! It functions 100% out of an AR-15.”

The .20 Practical offers some notable advantages for high-volume varmint shooters. The .20 Practical delivers very high velocity with very low recoil while still providing outstanding accuracy. The .20 Practical is great option for folks who favor “fast and light” — smaller, lower-mass bullets traveling at very high velocities. This little cartridge can launch 40-grainers at over 3900 FPS, and 32-grainers even faster. This makes the .20 Practical a great choice for an AR-based varmint rifle.

20 Practical.20 Practical Ultimate AR Varminter
A decade ago AccurateShooter.com created a .20 Practical AR15 Ultimate Varminter with a custom 20-caliber upper from Robert Whitley of AR-X Enterprises, LLC. That project rifle was ultra-accurate — every 5-shot group out of the gun was less than the size of a dime. That gun was auctioned off, but Robert Whitley continues to produce custom 20 Practical AR-15 uppers.

You make .20 Practical cases by simply necking down .223 Rem brass to .20 caliber. You can start with standard .223 Rem brass and even load with standard .223 Rem dies. Just swap in a smaller expander and use smaller neck bushings.

Prairie Dog Hunt with .204 Ruger AR — Watch The P-Dogs Fly

The video was created during a 2018 prairie dog safari. It has stunning footage of hits on P-Dogs at multiple distances. You can see over FIFTY hits with some amazing P-Dog aerials. Watch the first flyin’ dog at 00:20 time-mark and there’s a truly spectacular gut-busting hit at 3:13. That shows the potency of a high-speed .20-cal projectile. The shooter was using a custom-built AR-15 chambered in a .204 Ruger. That cartridge was driving 35gr Berger hollow point bullets at a stunning 4050 FPS! The rifle was fitted with a Dakota silencer suppressor and many other custom components. If you’ve never tried prairie dog hunting, watch this video start to finish and you may be hooked.

6mm ARC AR-15 Varmint Rig

This Varminter.com video examines the 6mm ARC cartridge from a varmint hunter’s perspective. Created by Hornady, the 6mm ARC was designed for target shooting and medium-sized game both in bolt guns and Modern Sporting Rifles. Hornady states: “The 6mm ARC … fits in an AR-15-pattern action, functions reliably out of standard-capacity 24- or 17-round magazines. It delivers substantially better ballistics than the .223 Rem[.]” This video examines how the 6mm ARC performs in an AR-15 for varmint and predator hunting. The host reviews available factory varmint loads. The video also examines reloading components for the 6mm ARC — brass and bullets. CLICK HERE for full article.

Cottontail Rabbit Hunting with Suppressed .204 Ruger AR-15

As a varmint hunting tool, the .204 Ruger in an AR-15 is a versatile, worthy cartridge/rifle combo for the job. This video covers a cottontail rabbit hunt. The host states that “We were contacted by a farmer who was being slammed with cottontail rabbits eating out huge portions of his alfalfa fields.” This suppressed .204 Ruger AR-15 proved seriously effective on the rabbits, driving high-velocity rounds with impressive accuracy. See more details on the Varminter.com website.

.22 Grendel-Chambered AR-15 — Impressive Velocities

The .22 Grendel is an extremely accurate and efficient cartridge based on the 6.5 Grendel necked down to .22 caliber. The case can drive 55gr varmint bullets at high velocities — over 3500 FPS. With a faster-twist barrel you can load up to 90gr bullets at 2500 FPS. The tester achieved velocities close to a 22-250. The short, fat case fits in AR-15 magazines, but may not feed as reliably during rapid fire. The tester did experience one double-feed.

Lead-Free Ammo Offerings Tested in .223 Rem AR-15

Some states — such as California — prohibit hunting with bullets that contain lead. If you plan to hunt in an area with such restrictions, you’ll need to find a lead-free substitute. Thankfully a number of manufacturers produce ammo with solid brass projectiles or other lead-free bullet designs. This Varminter.com video reviews .223 Remington no-lead ammunition from Cor-Bon, Hornady, Nosler and Winchester. These ammo types were tested in a AR-15 varmint rifle, used in a coyote hunt featured at the end of the video. SEE Full Story on Varminter.com.

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April 30th, 2026

Lock-Out Die Blocks Improper Charges on Progresssive Press


The RCBS Lock-Out Die can also be used with some Dillon and Hornady progressive presses.

RCBS Lock-out dieIf you load pistol or rifle ammo with a progressive press, we strongly recommend you get a Lock-Out Die from RCBS. This unique reloading die will prevent your progressive press from advancing if the dispensed powder charge is more or less than about 0.3 grains too high or too low. The Lock-Out Die really works. Your Editor uses it on his RCBS 2000 progressive press. I can affirm that a Lock-Out Die has “saved my bacon” a half-dozen times over the years when there was an over-charge (which could cause a Kaboom) or a low charge (which could cause a squib load).

The Lock-Out Die works by using a central die detection rod that sets its vertical position based on the height of the powder column in the case. Through an ingenious design, if the powder column height is too low or too high, the rod locks in place as you start to pull the press handle. This halts the press before the ram can lift and the cartridge plate can advance. Unlike a beeping alarm system (which can be ignored or defeated), the Lock-Out Die physically stops the movement of the press ram and prevents a bullet being seated in the “problem” case.

RCBS Lock-out dieIt takes a bit of tweaking to get the Lock-Out Die detection rod setting just right, but once it is correctly positioned, the Lock-Out Die works smoothly in the background. The Lock-Out Die won’t interfere with the loading process unless it detects a high or low charge — and then it positively stops the progressive loading cycle.

While crafted for use in RCBS progressive presses, the RCBS Lock-Out Die can also be used on a Dillon XL Progressive (see video below) or Hornady Lock-N-Load progressive — though it does take up one station which could otherwise be used for a final crimp die (after the seating die). The RCBS 2000 has one more station than a Dillon 550/650, so it’s an ideal platform for using the Lock-Out Die.

Learn More at UltimateReloader.com
On the UltimateReloader.com website, run by our friend Gavin Gear, you’ll find an excellent two-part series on the function and set-up of the RCBS Lock-Out Die. Part One explains how the Lock-Out Die functions, using cut-away illustrations. Part Two shows how to install and adjust the Lock-Out Die on various progressive presses. The Ultimate Reloader video at the top of this article shows setup of the RCBS Lock-Out Die on the Dillon XL-650 progressive press, while the Reloading Bench video below shows the Lock-Out Die on a Hornady LnL progressive.

Images © 2011 UltimateReloader.com, used by permission.
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April 29th, 2026

Inspect Cartridge Brass to Find Warning Signs of Case Failure

Glen Zediker reloaders corner midsouth book AR-16 reloading semi-auto brass safety primer resizing
Close-up view of a sectioned case. This one here was “fixin’ to pop”, observed Glen Zediker.

Here are highlights from an article Glen Zediker wrote for the Midsouth Blog. In that article Glen, who sadly passed away in 2020, focused on cartridge brass. Glen identified the most common failures that appear with brass that has been shot multiple times, or which has been fired at excessive pressures. Glen explained some simple ways to check your cartridge brass to detect “early warning signs” of case failure, particularly case head separation, which can be very dangerous.

Glen authored many excellent books on reloading. This article is adapted from two of Glen’s books: Handloading For Competition and Top-Grade Ammo.

How Cases Degrade with Multiple Firings By Glen Zediker
This article explains when, and then how, to check after the progress of changes commencing with the firing on a new case. It’s the “progress of degeneration,” in a way of looking at it because the concern is getting a handle on when enough change in the brass has come about to require attention. Or abandonment. As said then, for me that’s 4 firings. That, as said last time, is when I might see changes that need attention. Also as said, that figure didn’t come out of a hat, but from my own notes in running my competition NRA High Power Rifle loads. [Editor’s Note: With Lapua brass, using moderate loads, in bolt-action rifles, we typically get about 10 good (match-worthy) firings. But if you anneal your Lapua brass, and run modest pressures, Lapua brass can perform well for 20 or more load cycles.]

The areas most affected are the case neck and case head area. Case neck walls get thicker [but] the case head area body walls get thinner. Primer pockets get shallower and larger diameter.

Glen Zediker reloaders corner midsouth book AR-16 reloading semi-auto brass safety primer resizing

This case shows a cracked neck AND a crack (separation) above the case head. Zediker says it is “rare to see one case with both of the most common failures. [This case] was attacked by an M14.”

Case Head — Causes of Separation and Cracking
When a case is under pressure during firing, the brass, like water, flows where it can, where it’s more free to move. Of course, the chamber steel limits the amount it can expand. The case shoulder blows fully forward and the case base is slammed back against the bolt face. There is, therefore and in effect, a tug on both ends — it gets stretched. The shoulder area is relatively free to expand to conform to the chamber, but the other end, the case head area, is not. Since that’s the area of the case with the thickest walls, it doesn’t expand “out” much at all. What it does is stretch. The “case head area,” as I refer to it here, is the portion of the case above the web, which is just above the taper that leads in to the extractor groove. The “area” extends approximately an eighth-inch up the case body.

Glen Zediker reloaders corner midsouth book AR-16 reloading semi-auto brass safety primer resizing

Here’s a “pressure ring.” You’ll see this after firing, if you see it. And, if you see it, that case is done. The bright ring indicates excessive stretching, which indicates excessive thinning. If you see a ring circling the case, noticeable because it’s lighter color than the case body, and it’s in this area, I’d say that case is done. And that’s right where a “head separation” occurs. It can crack and also blow slap in two, and that’s the “separation” part of case head separation.

Case-head case cartridge pressure ring separation head failure GS Arizona
Photo courtesy GS Arizona.

This is a spot to keep close watch on as cases age. It is also the area that is more “protected” by sizing with less case shoulder set-back. That is, pretty much, where the freedom for the stretching movement in this area comes from (the case shoulder creates a gap). If you’re seeing a sign that a head separation [might happen with relatively few firings], chances are the shoulder set-back is excessive, and also… the load pressure level.

Bent Paper Clip Case-Wall Gauge
Case-Head Separation paper clip Glen Zediker GS Arizona

Editor: You can use a bent paper clip to detect potential case wall problems. Slide the paper clip inside your case to check for thin spots. GS Arizona explains: “This simple little tool (bent paper clip) will let you check the inside of cases before you reload them. The thin spot will be immediately apparent as you run the clip up the inside of the case. If you’re seeing a shiny line on the outside and the clip is really hitting a thin spot inside, it’s time to retire the case.” Photo by GS Arizona.

Monitor Primer Pocket Dimensional Changes
Another case-head-area and pressure-related check is the primer pocket. As said, the primer pocket will get larger in diameter and shallower in depth each firing. As with many such things, the questions are “when” and “how much,” and the main thing, “how much?”

If the pocket gets excessively shallow, and that’s judged by a primer that seats fully but isn’t at least a tick below flush with the case base, there could be function issues. There’s a risk of a “slam-fire” with a semi-auto that uses a floating firing pin, and, if there is actual protrusion, that has the same effect as insufficient headspace. A primer pocket uniformer can reset the depth of a shallowed primer pocket to what it should be, but the real test for me is how easily the next primer seats into it. If it’s significantly less resistance, I’ll say that case is done. Shallower can be refurbished. That’s a primary function of a primer pocket uniformer. Larger diameter, though, can’t be fixed. I’ve mentioned in another article or two that, any more at least, my main gauge of load pressure has become how much primer pocket expansion there’s been.

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April 29th, 2026

Learn How Altitude Affects Ballistics — Important for Hunting

altitude ballistics zeiss LRP S5 318-50 FFP scope
Photo shows the ZEISS LRP S5 318-50 first focal plane (FFP) scope.

“A bullet launched at a higher altitude is able to fly slightly farther (in the thinner air) for every increment of downward movement. Effectively, the bullet behaves as if it has a higher ballistic coefficient.”

A few seasons back a good friend ventured to the high country of Colorado to pursue elk. He recently zeroed his rifle in California, at a range just a few hundred feet Above Mean Sea Level (AMSL). He wondered if the higher altitude in Colorado could alter his ballistics. The answer is a definite yes. However the good news is that free ballistics calculators can help you plot reliable drop charts for various shooting locations, high or low.

Suunto AltimeterThe question has been posed: “What effect does altitude have on the flight of a bullet?” The simplistic answer is that, at higher altitudes, the air is thinner (lower density), so there is less drag on the bullet. This means that the amount of bullet drop is less at any given flight distance from the muzzle. Since the force of gravity is essentially constant on the earth’s surface (for practical purposes), the bullet’s downward acceleration doesn’t change, but a bullet launched at a higher altitude is able to fly slightly farther (in the thinner air) for every increment of downward movement. Effectively, at higher altitudes, the bullet behaves as if it has a higher ballistic coefficient.

Forum member Milanuk explains that the key factor is not altitude, but rather air pressure. Milanuk writes:

“In basic terms, as your altitude increases, the density of the air the bullet must travel through decreases, thereby reducing the drag on the bullet. Generally, the higher the altitude, the less the bullet will drop. For example, I shoot at a couple ranges here in the Pacific Northwest. Both are at 1000′ AMSL (Above Mean Sea Level) or less. I’ll need about 29-30 MOA to get from 100 yards to 1000 yards with a Berger 155gr VLD at 2960 fps. By contrast, in Raton, NM, located at 6600′ AMSL, I’ll only need about 24-25 MOA to do the same. That’s a significant difference.

Note that it is the barometric pressure that really matters, not simply the nominal altitude. The barometric pressure will indicate the reduced pressure from a higher altitude, but it will also show you the pressure changes as a front moves in, etc. which can play havoc w/ your calculated come-ups. Most altimeters are simply barometers that read in feet instead of inches of mercury.”

As Milanuk states, it is NOT altitude per se, but the LOCAL barometric pressure (sometimes called “station pressure”) that is key. The two atmospheric conditions that most effect bullet flight are air temperature, and barometric pressure. Normally, humidity has a negligible effect. It’s important to remember that the barometric pressure reported on the radio (or internet) may be stated as a sea level equivalency. So in Denver (at 6,000 feet AMSL), if the local pressure is 24″, the radio will report the barometric pressure to be 30″. If you do high altitude shooting at long range, bring along a Kestrel, or remember to mentally correct the radio station’s pressure, by 1″ per 1,000 feet.

Trajectory of Bullet fired at Sea Level

Trajectory of Bullet fired at 20,000 feet

You can do your own experimental calculations using JBM Online Ballistics (free to use). Here is an extreme example, with two printouts (generated with Point Blank software), one showing bullet trajectory at sea level (0′ altitude) and one at 20,000 feet. For demonstration sake, we assigned a low 0.2 BC to the bullet, with a velocity of 3000 fps.

To learn more about all aspects of Exterior Ballistics, Hornady has a useful discussion of External Ballistics including the effects of altitude and temperature. To dig deeper, Sierra Bullets has a comprehensive Exterior Ballistics Resource Page with multiple sections from the Sierra Manual (4th and 5th Editions), including:

Section 3.0: Exterior Ballistic Effects on Bullet Flight
Section 3.1: Effects of Altitude and Atmospheric Conditions
Section 3.2: Effects of Wind
Section 3.3: Effects of Shooting Uphill or Downhill

Example from Section 3.0: “When a bullet flies through the air, two types of forces act on the bullet to determine its path (trajectory) through the air. The first is gravitational force; the other is aerodynamics. Several kinds of aerodynamic forces act on a bullet: drag, lift, side forces, Magnus force, spin damping force, pitch damping force, and Magnus cross force. The most important of these aerodynamic forces is drag. All the others are very small in comparison when the bullet is spin-stabilized.”

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April 28th, 2026

Gun Digest 2026 Annual — Great Print and Digital Resource

Gun Digest 2026 80th Annual Gun book

The Gun Digest 2026, 80th Edition is a great resource. This 608-page book is now available from the Gun Digest Store and Amazon. This latest 2026 Edition paperback book can be ordered for $29.99 through the Gun Digest store or $25.99 on Amazon (#ad). Gun Digest also offers a full digital version for $29.99 while there is also a Kindle digital version for $23.99 (#ad) on Amazon.

This 608-page resource covers rifles, shotguns, handguns, muzzleloaders, airguns, optics and more. We like the print edition, but there is also a Kindle eBook version for just $23.99 on Amazon. Both paperback and Kindle versions provide hundreds of photos plus new product roundups, in-depth product tests, and scores of articles and stories.

There are dozens of photo-illustrated feature articles. Among the notable stories are a guide to .300 caliber magnum cartridges, a feature on “Retro” AR rifles, evolution of the Ruger American Rifle, CZ 75 (Past/Present/Future), new Drone Killer guns, and multiple field tests on centerfire and rimfire rifles.

gun digest 80th edition .300 magnum cartridge annual book

Gun Digest 2026 Editor-in-Chief Phil Massaro has assembled a team of respected industry authors for the 2026 book, including Craig Boddington, Bob Campbell, Joe Coogan, Mike Dickerson, Bill Gabbard, Nick Hahn, Ron Spomer, Patrick Sweeney, Col. Townsend Wehlen, Wayne van Zwoll, and many more.

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Gun Digest 2026 (80th Ed.) covers hunting, personal defense, target shooting, gunsmithing, and collecting. There are Updated Ballistics Tables, and the catalog section shows off the newest offerings in rifles, handguns, shotguns, muzzleloaders and air rifles. The new 80th Edition has a vast collection of gun histories, in-depth reviews, and new product roundups. In addition to this, the Gun Digest 2026 book includes gun and optics field tests in the Testfire section, plus a guide to buying optics and ammunition. Reports from the Field (see below) cover the newest firearms and accessories.

A very large segment of the books catalogs hundreds of firearms currently offered for sale — rifles (centerfire/rimfire/black powder), pistols, shotguns, and airguns. There are also Ballistics Tables for centerfire rifle cartridges, pistol cartrdiges, and rimfire cartridges. Here is a summary of feature articles in this 608-page book:

Gun Digest 2026 Annual Feature Articles

Retro AR Rifles Are In! — BY PATRICK SWEENEY
A Custom Revolver Experience — BY SHANE JAHN
My Parkwest Arms SD-10 Dream Rifle — BY RON SPOMER
The 300 Magnums — BY PHIL MASSARO
The Evolution of the Ruger American Rifle — BY MIKE DICKERSON
Custom & Engraved Guns — BY THE AMERICAN CUSTOM GUNMAKER’S GUILD
All About the 7mm Backcountry — BY WILL BRANTLEY
Ruark’s Rifles—Part I — BY JOE COOGAN
The Guns of Famous Sports Figures — BY ALAN CLEMONS
Nagant Model 1895 Revolver — BY GEORGE LAYMAN
Big Nan — BY PHIL SHOEMAKER
Thompson/Center Arms: A Legacy Revitalized — BY BRAD FENSON
Drone Killers — BY L.P. BREZNY
The O’Connor Letters — BY LARRY L. WEISHUHN
CZ 75—Past, Present, Future — BY ALEXANDER CASTIGLIONE
Tracking Guns — BY RANDY FLANNERY
Stack-Barrel 28—The Ultimate Shotgun — BY TERRY WIELAND
Tailor-Made — BY ANDREA BOGARD
The Non-Dangerous Double Rifle — BY CRAIG BODDINGTON
A Holster a Day — BY TRENT MARSH
Colonel Colt’s Roster of Rogues — BY WAYNE VAN ZWOLL
Suppressor Primer — BY FRANK MELLONI
My Single-Shot Rifles — BY COL. TOWNSEND WHELEN
One Is Never Enough — BY RICK HACKER
From Mice to Moose: Freedom Arms Revolvers — BY DICK WILLIAMS

TESTFIRE
Mossberg International Silver Reserve Eventide HS12 Shotgun — BY PHIL MASSARO
Smith & Wesson’s All-Around Lever-Action — BY BOB CAMPBELL
The Leupold VX-6HD Gen 2 — BY PHIL MASSARO
Springfield Armory Hellcat Pro Comp — BY ROBERT SADOWSKI

ONE GOOD GUN
The Heart of a 99 — BY KRISTIN ALBERTS
The Browning “3 Shot” Sweet Sixteen — BY NICK HAHN
The Legendary 7mm Mauser Still Works — BY JIM HOUSE
The 370 Sako Magnum — BY STEVE GASH

Other Good Books from Gun Digest Media
Gun Digest Media produces numerous other quality books for rifle, pistol, and shotgun owners. Here are four books we recommend. These are offered in both paperback and eBook versions:

Cartridges of World Digest Gun book gunsmith gunsmithing rifles Digest Gun book patrick sweeney
gunsmithing rifles Digest Gun book tactical rifles PRS rimfire tactical .22 LR NRL22 Digest Gun book
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April 28th, 2026

Neck Bushing Uniformity Tested — Results Are Surprising

bushing neck die run-out concentricity

Do you use bushings to size your case-necks? Are you assuming that your bushings are actually round on the inside, with a hole that’s centered-up properly? Well you may be in for an unpleasant surprise, based on what our friend Jim de Kort recently discovered. Jim was concerned about the run-out on his brass. His cases went into his bushing-equipped FL die pretty straight, but came out of the die with up to .004″ run-out. “What gives?”, Jim wondered. “Could the problem be the bushings themselves?”

To answer that question, Jim decided to examine his bushings. Using an Accuracy One Wheel-drive concentricity gauge, Jim checked out some of his neck bushings. What he discovered may surprise you…


Neck Bushing Flaws Revealed

Trust no one… — Jim de Kort

Jim writes: “I measured the concentricity of my 6BR rounds today. I noticed they went into the neck-bushing equipped full-length sizing die with less than .001″ deviation but came out with .003-.004″. The culprit, it appears, was the bushing itself. Without it the cases stayed within .0005″ to .001″ deviation, so something was happening with the bushing.

One bushing had .00025″ deviation on the outside, yet almost .003″ on the inside, so it is crooked. But even when using a bushing that is within .001″ I still get .003″ runout after sizing. I repeated the same procedure for my 6×47 and got the same results. When using the bushing, concentricity suffers a lot.”

Before we bash the bushing-makers, we must acknowledge that many different things can contribute to excessive run-out and/or mis-alignment of case-necks. We don’t have all the answers here, and Jim would be the first to say that some mysteries remain. Still, these are interesting results that give all precision hand-loaders something to think about.

Jim Borden of Borden Accuracy also offers this tip: “Check the trueness of the face of the die cap. That has more to do with trueness than the bushing. Also check perpendicularity of hole in bushing to top surface. When I was making dies, the cap was made by threading and facing the threaded tenon in same setup.”


Editor’s Comment: Many people have great results with neck-bushing dies, but Jim isn’t the only fellow who has seen some very odd results. I personally employ honed, non-bushing dies for many of my chamberings. These non-bushing dies (with the necks honed for .002-.003″ neck tension) produce extremely straight ammo, with run-out consistently under .0015″.

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April 27th, 2026

BargainFinder 553: 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.

Creedmoor Sports — Big Savings on Optics, Tools, Bags, & More

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⏺️ » Major discounts on hundreds of top-tier products

Lookin’ for a great deal? Currently there are over 500 discounted items in the Creedmoor Sports Sale section with 90+ in the Bargain Bunker (with major price cuts). You’ll find some great savings on Sightron Scopes, Wilson and Redding presses, Edgewood Bags, Protektor Front Rests, Wilson and Redding Dies, Berger Bullets, Starline Brass and much more.

Palmetto SA — AR Complete Rifles, Uppers, Lowers on Sale

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⏺️ » Spectacular deals on AR Black Rifles, AR Pistols, and AR components

This week at Palmetto State Armory you’ll find exceptional deals on AR rifles, AR uppers, AR lowers, AR pistols, and the full range of AR components (such as bolt assemblies, sights, triggers, magazines etc.). If you are looking to add a quality 16″ bbl AR to your collection, you’ll find some great bargains. We like the 16″ barrel PSA EPT model. Complete with adjustable buttstock, M-LOK fore-end, and MBUS sights, it’s just $569.99 with FREE shipping.

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April 26th, 2026

Six Recommend Items for Spring Varmint Adventures

CFE 223 Powder Varmint Bullet Prairie dog
This custom war wagon hauls varmint hunters around the Longmeadow Game Resort in Colorado.

May Day, May 1st, is just five days away, so we are well into springtime (spring officially started on March 20, 2026, the Vernal Equinox). For many shooters, Spring is a great season to head out to the varmint fields. Here are six items that can help ensure successful spring varmint adventures.

Six Great Products for Varmint Shooters

1. Riflekühl In-Action Fan Barrel Cooler

riflekuhl barrel insert coolerIn the past, folks have tried various methods to cool barrels: water flushed through the bore, CO2 tanks, even battery-operated fish pumps. The Riflekühl by Magnetospeed is a simpler, less costly, and much handier solution. Busy varmint shooters may expend hundreds of rounds in a day. That’s tough on barrels. One way to extend your round count is to use the MagnetoSpeed Riflekühl barrel cooler.

This barrel cooler is designed to get barrel temperatures down to intended operating levels quickly. The turbocharger-inspired impeller is engineered to produce great airflow in a small package. Powered by a single CR123A Lithium battery (included), ambient air is forced through the extendable nozzle down the bore of the rifle. This is pretty efficient and can typically cool a barrel in under 8 minutes. The Riflekühl doubles as a chamber flag and features an exclusive built-in air filter to prevent dust and dirt from being blown into your rifle.

2. Uncle Bud’s Bulls Bag Sandbag

On most varmint hunts we spend most of the time shooting from a portable bench with a pedestal-type rest (we like the SEB Mini). But it’s nice having a big, heavy X-Type sandbag rig also. These four-chamber designs, such as the Uncle Bud’s Bulls Bag, allow shooting from a truck hood or any flat surface. Some rifles with narrow fore-ends really benefit from the firm “hug” provided by these “butterfly” style sandbags. We like the 15″ Uncle Bud’s Bulls Bag, currently $80.00 at BullsBag.com (khaki/suede). Durable and well-made, it will provide years of service. There is also a 10″ version that is easier to carry, starting at $62.00. Forum member Stoner24mkiv likes a Bulls Bag for shooting from a vehicle. He also suggests: “[take] an adjustable bipod if you are going to do any walking. Have a fanny pack or backpack for extra ammo, water, bore-snake, etc. when you go on your walkabouts. Bring a Boonie hat for blocking the sun, sun glasses, sunscreen. High leather boots.”

Bulls Bag sandbag varmint rest front

3. Burris Scope with Built-In Laser Rangefinder

The Burris Eliminator is an impressive piece of electro-optical technology. With a push of a button, a built-in laser rangefinder senses the distance to your target and the Eliminator’s microprocessor instantly calculates the required hold-over based on your load’s ballistics. The calculated aiming point is then displayed in the reticle with an illuminated red dot on the vertical cross-hair. Just put the red dot on the target and make the shot. Easy as that. If you are working a large prairie dog field and constantly moving near to far and back again, this scope is really handy. We’ve used the Eliminator III out to 500 yards on small steel targets and it worked flawlessly.

Right now you can get the 5-20x50mm Burris Eliminator 5 model for $999.99 on Amazon (#ad). Or you can still get the older 4-16x50mm Burris Eliminator 3 model at some dealers. Note: the Eliminator 3 and 5 have been replaced by the compact 4-20x52mm Eliminator 6, but that newer model has a $2999.99 MSRP ($1874.99 at MidwayUSA on sale). The Eliminator 5 is way less expensive than the newer Model 6 (even with the sale discount).

Burris Eliminator five V laser optic Scope

4. Hornady 17 HMR V-Max Loaded Ammo

For those distant prairie dog shots, you’ll want a centerfire round such as a 22 BR or 22-250. However, for closer work, or for smaller varmints such as ground squirrels, the 17 HMR is hard to beat. There are many good factory rifles chambered for the 17 HMR, such as the Savage A17 (shown below). Right now Hornady 17 HMR ammo is on sale at FastAmmo.com for $10.90/50 ($0.22 per round). That’s a good deal. This same ammo sells elsewhere for up to $18.00 per 50-round box. NOTE: Hornady also offers 17 HMR ammo with 20gr XTP hollow-point bullets ($12.25/50 at FastAmmo.com). Both types work well.

17 HMR v-max xtp sale ammo discount

5. Stick-On Temp Strips Monitor Barrel Heat

You never want your barrel to get too hot. Accuracy suffers when barrels over-heat, and excessive heat is not good for barrel life. So how do you monitor your barrel’s temperature? You can check if the barrel is “warm to the touch” — but that method is not particularly precise. There is a better way — using temperature-sensitive strips. McMaster.com (an industrial supply house) offers stick-on temp strips with values from 86° F to 140° F. A pack of ten (10) of these strips (item 59535K13) costs $12.11 — so figure it’ll cost you about $1.21 per barrel for strips. That’s cheap insurance for your precious barrels. For best barrel life, try to stay under 120 degrees F.

Barrel Heat Temp Temperature gauge strip McMaster Carr

6. Low-Fouling Power for High-Volume Varmint Loads

For high-shot-count varmint safaris, you want a clean-burning powder that minimizes barrel fouling. While there are many great powders for the .223 Rem, we like Hodgdon CFE 223 for high-volume varmint loads. This powder really seems to keep barrels cleaner. Originally developed for U.S. rapid-fire military systems, CFE 223 incorporates a proprietary chemistry named “Copper Fouling Eraser”. Based on tests with extended shot strings, Hodgdon claims that, by using CFE™223 varmint hunters, match shooters, and AR shooters can maintain accuracy for longer periods, with less barrel-cleaning time.

CFE 223 Powder Varmint Bullet Prairie dog

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April 25th, 2026

Saturday Movies: Nexus Press, Bix’N Andy Triggers, BAT Actions, IDOD Machine

short action customs press BAT Action F-Class Products Bix'N Andy

For this Saturday Showcase, we feature some top-tier products that have set new standards for quality and effectiveness. First off is the impressive new NEXUS single-stage press from Short Action Customs. Then we feature Bix’N Andy triggers, which have found favor with competitors in many disciplines from short range Benchrest to ELR competition. Now that Jewell triggers are becoming harder to source, Bix’N Andy units will be seen on more rifles than ever. For those who turn case-necks, we feature the remarkable IDOD machine from F-Class Products — simply the best automated neck-turner ever created.

As a bonus we offer two very informative interviews from SHOT Show 2024. The first covers the product line at Bullet Central, while the second reviews the latest and greatest rifle actions from BAT Machine.

Short Action Customs NEXUS Press

short action customs press single stage new

Short Action Customs (SAC) has crafted a very impressive and innovative single-stage press. The innovative $875 NEXUS press has impressive design features. The NEXUS Press boasts dual cam-over pucks, which precisely stop the movement of the floating die block. SAC explains: “We wanted to have the Nexus press cam-over independently of the shell holder. Every single cycle of the press, your hard cam-over pucks limits the travel, which gives you the same amount of cam over every single cycle.” The press can adapt to various diameter dies with floating inserts in the top section (see video). The NEXUS also has a floating shell holder system, which is quick change and tool-less. SAC states that this shell holder system “allows .010″ more sizing than all other shell holders on the market”.

Bix’N Andy Triggers

German-made Bix’N Andy triggers, available from BulletCentral.com, are among the very best you can buy. Available in both single-stage and two-stage designs, Bix’N Andy triggers are extremely precise, repeatable, and smooth. The unique internal, friction-reducing roller ball system allows for extremely low reset force, yielding an ultra-crisp let-off. Bix’N Andy triggers can be fitted with a variety of trigger shoes according to shooter preference. Bullet Central is currently the exclusive official USA importer for Bix’N Andy triggers.

trigger show bix'n andy otm tactical

F-Class Products AutoDod IDOD Neck-Turning Machine

Bryan Blake, a very clever machinist and gunsmith, has created an ultra-precise and speedy neck-turning machine. Bryan, who runs Blake Machine, Blake Barrel, and F-Class Products has created a system that uses twin precision cutter tips to turn case necks inside and out quickly and efficiently, with superior precision. This advanced IDOD Neck Turning Machine holds cases securely in a precision-machined spindle attached to an electric motor. Twin blades move precisely during the cutting process, milling the necks inside and out. The turned necks come out perfect every time, with the shoulders trimmed exactly (with doughnut removed) as well.

Bryan Blake machine f-class products IDOD AUTOIDOD neck turner turning power machine

If you turn hundreds of cases during a shooting season, you may want to buy an IDOD from F-Class Products. The secret to the efficiency of the Blake IDOD is a vibration-free motor, high-mass case-holder, precision OD/ID-adjustable cutter, along with an advanced tracking system that moves the cutter heads towards the case neck (and back again) with absolute, 100% repeatable precision.

Bullet Central — Major Product Lines

This F-Class John video features a lengthy interview with Bullet Central representative Zachery, covering the many products Bullet Central offers. Products featured include Bix’N Andy triggers (0:55 time-mark), Micron Dies (5:20); Dual-Ram Press (8:08); Custom Barrels (12:00); BAT Actions (14:57). During this video Zachery also explains the wide range of rimfire ammo Bullet Central carries.

BAT Machine Actions — Showcasing Different Sizes and Features

This video features the impressive, latest generation BAT Machine actions. The video covers the full range of actions from the smaller SV/DS actions, to Model B, then Model M with integral lug and Picatinny Rail. The BAT representative then explains the features of BAT’s Nuevo actions (2:28 time-mark), which BAT builds for Bullet Central. For ELR and large Magnums BAT makes the model L and Model EXS. You can see all the current BAT actions at BatMachine.com/bat-actions. NOTE: From that page, scroll down and then select your particular discipline, such as Short-Range Benchrest, F-Class, Long-range Benchrest. You can also select repeater actions for hunting and/or PRS/NRL.

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April 25th, 2026

Impressive 9mm Wheelgun from Ruger — Rugged and Accurate

Ruger Super GP100 Revolver 9mm Luger 9x19mm revolver

Ruger Super GP100 Revolver in 9mm Luger (9x19mm)
Wouldn’t it be cool if you could shoot your 9mm semi-auto pistol ammo in an ultra-accurate revolver? Well you can. Ruger adapted its existing Super Redhawk frame to create the Super GP100 9mm Luger (9x19mm) revolver. As you can see, the Super GP100 9mm features a stubby 8-round PVD-coated cylinder to better fit the 9x19mm round. According to Guns.com the 9mm GP100 “uses a cylinder and extractor cut for moon clips to speed up reloading [and] sports a 6-inch half-lug sleeved and shrouded barrel with an 11-degree target crown[.]”

Ruger Super GP100 Revolver 9mm Luger 9x19mm revolver

Ruger Super GP100 Revolver 9mm Luger 9x19mm revolverOut of the box the Super GP100 9mm has a 9.5-lb double-action pull and a 4.5-lb single action trigger pull. Reviewers say the trigger pull is a little uneven initially but smooths out over time. A Gunblast tester, Boge Quinn, also observed that if you do NOT use the supplied moon-clips it is awkward to remove the spent cartridges: “You don’t have to use a moon clip, but I don’t know why you wouldn’t… it just works great that way.”

The 9×19mm Parabellum (aka 9mm Luger) cartridge was introduced in 1902 by German weapons manufacturer Deutsche Waffen und Munitionsfabriken (DWM) for the Luger semi-auto pistol. Now 120 years later, Ruger brings us a sturdy, 6″-barrel revolver for this popular cartridge. Ruger adapted its existing Super Redhawk frame for this Super GP100 9mm revolver. In the YouTube video posted below, Ruger engineer Mark Gurney explains the features of the Super GP100 9mm revolver:

Ruger Super GP100 Revolver 9mm Luger 9x19mm revolver

Super GP100 9x19mm Features

  1. Triple-locking cylinder locked into the frame at front, rear and bottom for more positive alignment and dependable operation.
  2. High-strength stainless steel cylinder is fluted and shortened to reduce overall mass and increase rotational speed. Cylinder has PVD finish for durability and ease of extraction.
  3. Polished and optimized internals, a centering boss on the trigger, and centering shims on hammer deliver a smooth double-action trigger pull with crisp/consistent let-off.
  4. Cylinder and extractor are cut for moon clips to speed reloading during intense competition. Ships with three full moon clips and moon clip tool. The ejector and chamber mouths have a light chamfer to aid loading with moon clips.
  5. Hogue hardwood grip is hand-finished for a smooth, polished feel. Grip frame accommodates a wide variety of custom grips.
  6. Transfer bar mechanism provides security against accidental discharge.
  7. Cold hammer-forged barrel has precise rifling for accuracy and longevity.
  8. Barrel features 11° target crown for competitive-level accuracy.
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