For many years, the U.S. Army Marksmanship Unit (USAMU) regularly published reloading “how-to” articles on the USAMU Facebook page. In this article, the USAMU’s reloading gurus address a question frequently asked by prospective handloaders: “Should I buy a single-stage press, or a progressive?” The USAMU says the best answer is Solomon-esque in both its wisdom and simplicity: “Get BOTH!” However, there is definitely more to the issue, as the USAMU explains below.
Progressive Press Safety Considerations
by USAMU Staff
Many are the beginning handloaders who have asked a friend about their “setting up” a progressive press for them. The idea is that the newbie could then just feed in components and crank out buckets of practice ammo without needing to really learn much about handloading. Tempting though this might be, that’s simply not how it works. Such an approach might be ok if there were never a malfunction with either press or operator, but that’s unrealistic. Our hypothetical newbie would then lack the knowledge to problem-solve most situations.
Worse yet, several different handloading operations would be occurring at different stations on the progressive press at the same time. It takes an experienced operator to keep track of, and truly understand the significance of, all those potential mini-problems. Loading without this experience is a recipe for potential disaster – such as a double powder charge (especially with pistol cartridges) dropped while the loader was attending to some other function, etc. Progressives are an animal unto themselves, and while they offer many benefits, they do take some getting used to – even by experienced handloaders!
ILLUSTRATIVE HORROR STORY
Here, enter a 40-year veteran handloader who decided to jump onto the progressive bandwagon late in his career, having used only single-stage presses all his life. A High Master NRA High Power Rifle competitor, he had no background in competitive pistol shooting, where historically most progressive presses are found.
Experienced Action Pistol shooters have typically encountered multiple episodes in which shooters “skipped” a powder charge for some reason, leading to a squib round and a bullet possibly lodged in the bore. Thus, at matches, it’s reflexive for them to yell “STOP!” in unison if they see a shooter get a “click” vs. a “bang”, and rack the slide to keep firing. This writer has personally seen several pistols saved in just such scenarios over the years.
Click No Bang — What NOT to Do
Our High Master set up a popular progressive press and began turning out .223 Rem 100-yard practice ammo with abandon. He was using a moly-coated 52gr match bullet and an economical, fast-burning surplus powder that gave great accuracy. Once on the range, he began practicing strings of rapid-fire. All was well, until he heard “Click!” rather than “Boom”.
Lacking the above experience or onlookers to halt him, he reflexively operated the charging handle on his expensive, custom NM AR15 Service Rifle, and the next trigger squeeze reportedly registered on seismographs over at least a three-state radius. He sat, uninjured but bewildered, until the hail of expensive bits and pieces quit raining down around him.
When the smoke cleared, he immediately cursed the horrid, evil, demonically-possessed progressive press for this, his first-ever reloading mishap. His $1400 NM upper was ruined, but thankfully, his $800 pre-ban lower… and he had escaped injury.
This tale is told not to discourage the use of progressive presses, but to emphasize the need to EASILY and IMMEDIATELY KNOW what is happening with the press at each station, every time the handle is cranked. Not to do so is, as they say, “bad ju-ju.”
It illustrates why we at the USAMU Handloading Shop agree in recommending that new handloaders should begin with a single-stage press. Once one thoroughly learns the steps in each phase of handloading by repeated experience, then one will be qualified to move on to a progressive press.
The single-stage press will REMAIN virtually indispensable for one’s entire handloading career, even after having purchased a progressive press (or two). There are endless small projects that are best handled on a single-stage press, and a poll of USAMU’s Handloading staff reveals that not one would willingly be without his single-stage press, despite owning at least one progressive.
For pure shooting fun it’s hard to beat a semi-auto .22 LR. While Ruger’s 10/22 is the most popular semi-auto .22 LR rifle, manufacturers are now offering AR-style self-loading rimfire rifles. These rimfire versions of the AR-15 are excellent training tools for 3-Gun and service rifle shooters. You can practice with less expensive rimfire ammo, and save wear and tear on your centerfire ARs. Rimfire AR clones also work great for Rimfire Tactical Matches.
AR-Style .22 LR Rimfire Rifles
Smith & Wesson M&P 15-22
Smith & Wesson’s 15-22 is a nice little rifle. The M&P 15-22 is designed as a true .22 LR semi-auto from the ground up, with ergonomics (and most controls) identical to a centerfire M&P 15 rifle. These rimfire AR clones are very affordable. For example, BudsGunShop.com has M&P 15-22 models starting at just $394.49. And these 15-22s qualify for a $50.00 Smith & Wesson Holiday Season Rebate through 12/31/2025. That lowers your net cost to just $344.49! (other 15-22 models can be $50-$100 more).
NRA reviewer Colon Noir tested the M&P 15-22 and was impressed: “This gun is unbelievably fun to shoot. There is virtually no recoil. The non-existent recoil makes shooting fast a breeze. Yeah, the magazine is a little quirky… but in the grand scheme of things, this gun feels like a full-out AR-15. The M&P 15-22 makes for a great training companion. I would place this gun in the ‘Fun Box’ — it’s reliable enough that you can have a fun time shooting. I’m picking one up, because it’s guns like these that make you truly realize how fun shooting is.”
Here’s a Video Review of the M&P 15-22 by the NRA’s Colin Noir
Hechler & Koch (Walther) HK 416
H&K offers the HK 416, a dedicated .22 LR rimfire rifle. Engineered and built in Germany by Carl Walther, the HK 416 D145RS features a match-grade precision barrel, metal upper and lower receivers, retractable stock, and machined rail interface system with on-rail iron sights.
These Walther-made HK rimfire rifles (which employ a blow-back action) are accurate and reliable. They are also reasonably priced. Many vendors offer the HK 416 for under $540.00 and it’s currently on sale for just $449.99 at CDNN Sports. One purchaser writes: “Great .22. I have had this gun a couple of months and have put about 500 rounds of 5 different brands of ammo through it. Not one FTE. I have shot other brands that can’t get through one 30-round mag without a failure. [The 416] is a little pricey compared to the competition but you get what you pay for.”
Palmetto State Armory (PSA) is running a major Halloween Sale for the next few days. We found some very impressive deals. For example, save $150 on a Savage hunting rifle, save $450 on a PSA AR15, save $240 on a complete AR lower, save $350 on a 1911 pistol, and save $200 on a SIG Sauer optic. And there are big savings on other products such as gun cases, magazines, rifle scopes, triggers and more.
If you compete in service rifle, NRL22, or 3-Gun competitions, we recommend getting a .22 LR AR-style rifle for cross-training and fun matches. With this Rimfire Combo Special you get a good S&W rimfire rifle plus 3 magazines and a nice rifle case.
Kevin Muramatsu’s black rifle book, the Gun Digest Guide to Customizing Your AR-15, is a great resource for fans of AR-platform rifles. All the AR options you can imagine are covered: suppressors, premium barrels, adjustable stocks, free-float handguards, ergonomic grips, buffer systems, tactical lights and much more. Those planning an AR rifle build will find application-specific suggestions for 3-Gun, Service Rifle, High Power (Space Gun), Hunting, and Self-Defense use.
Firearms expert Muramatsu offers advice on choosing the right stock/barrel/optics configuration for your particular game. He also discusses the wide variety of options for slings, grips, magazines and other accessories. With over 520 photos, the book includes a large photo gallery of customized ARs, and includes bonus coverage of the FAL and other “tactical” firearms. The Gun Digest Guide to Customizing Your AR-15 is available from Amazon.com (#ad) for $35.95, and a Kindle eBook version is offered for $14.99. The book is also sold by Barnes & Noble, and most other major booksellers.
This video starts off slow, but it is worth watching if you own any AR-platform rifle. It illustrates the key operations during the charging, loading, firing, and ejection processes. The cutaway animation shows how rounds are stripped from the magazine and then chambered. It then shows how every part of the trigger group works, and how the firing pin strikes the primer.
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Posting on the 6.5 Creedmoor Group Facebook Page, Russel T. complained that his AR magazine doesn’t like to feed that last few rounds. Russell asked: “Full magazine, no problem cycling. But with five (5) or less in the magazine… this happens. What can cause this?”
It sure looks like he could use a new magazine spring, but there may be buffer-related problems as well. Or maybe a gas system issue. What’s your call? Here are some responses posted by Facebook folks:
“Weak mag spring.” — Josh N.
“Weak mag spring or too heavy of a buffer spring.” — Justin G.
“Try a different mag, if it still jams it’s probably a gas problem, if not chuck the bad mag.” — Otto G.
“Weak mag spring or literally anything that would cause the Bolt Carrier Group to short cycle.” — Reggie W.
“I’ve had the same issue with my 300 BLK when my buffer tube came apart. It would still cycle cheap rounds fine but [not] the Hornadys. Took it apart and found the buffer tube was in pieces.” — Hunter R.
“Could be a weak mag spring or buffer spring, both at the same time.” — John S.
“As mentioned it could be a list of things. However, bolt velocity is too fast/hard and the usual (but not always) culprit is over-gassing.” — Bill F.
“Short cycle — clean and LUBRICATE the weapon.” — Mark H.
“Look to see where the brass is ejecting. That will tell if it’s an over or under gas issue. If that’s ok then look at the mag spring. See Diagram” — Teddy G.
“Weak magazine spring, I tossed four brand new ‘bargain mags’ [due to] that very problem.” — John V.E.
“May not be a weak spring or bad mag. Check out a Tubb Precision flatware spring. I swapped mine in a new rifle and solved the problem of short stroking and double feeds.” — Anthony T.
“It might be the follower as well, some designs will dip in the front/rear as rounds are expended. It’s the reason why we didn’t use some service mags with the green followers.” — Chris J.
“Weak spring… time for a new magazine…or add a 5-round block and make it a 25-round magazine. But I’m positive it’s a weak spring, which means it’s just a matter of time for failure.” — Steve M.
“Without the weapon in hand I would hate to guess….
Start with the simple stuff and go from there. Trying to diagnose a problem from a photo is just like when your wife or girlfriend tells you the car won’t start. LOL.” — Mark T.
If you want to use an AR-platform rifle in the varmint fields, consider getting a 20-caliber barrel chambered for the efficient, low-recoil 20 Practical cartridge. The 20 Practical is simply a .223 Remington necked down to 20 caliber. The parent .223 Rem cartridge of course works great in an AR, but 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 Ultimate Varminter
Over a decade ago, as a “proof-of-concept”, 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 produced many other 20 Practical AR15 uppers. (The 20 Practical cartridge is simply the .223 Rem necked down to 20 caliber — you can use standard .223 brass and load with standard.223 Rem dies. Just swap in a smaller expander and use smaller neck bushings.)
Robert learned that the accuracy of the first 20 Practical AR15 was no fluke. After building six (6) more 20 Practical uppers, he tested them for accuracy and they all shot great. These uppers featured DPMS low-pro receivers with side-charging handles. They are fitted with PacNor 1:11″ twist, 3-groove stainless barrels. Three of the uppers had 24″ barrels, two had 20″ barrels, and one had an 18″ barrel (See below).
Robert reports: “We [made] more 20 Practical AR15 uppers and I have to say I am astounded by the accuracy of [all those uppers]. For shooting little tiny groups out of an AR15 with bullets going 3500+ fps, it’s hard to beat the 20 Practical cartridge.”
In four of these uppers I shot re-sized Winchester brass using 25.3 grains of WC844 powder with Berger 40gr BTHP bullets loaded at 2.225″ OAL (about .015″ off the lands). WC844 is inexpensive military surplus powder that is nearly identical to H335. I tried three different primers and the choice did not seem to matter (CCI BR4, Rem 7 1/2s and Win Small Rifle — the old silver ones). All these four uppers shot great.”
Below is an animated GIF with targets from uppers #6, 10, and 11. All groups are mag-fed, 5-shot groups shot at 100 yards using a front rest and rear bag.
Targets Shot with Three Different 20 Practical AR Uppers
20 Practical Shooters Explain Why They Love this Little Cartridge
A popular thread in our Shooters’ Forum focuses on favorite variants of the .223 Rem cartridge. The thread asks: “What is your favorite and most versatile round that you have made from a .223 Rem parent case?” Many cartridges were named, but the wildcat cartridge cited most often was the 20 Practical. Here are some comments by Forum members, who explain the appeal of this great little 20-caliber cartridge:
“The 20 Practical is just a hoot to shoot. Outstanding precision, minimal recoil, easy case forming and inexpensive to shoot. What’s not to like?” — JLT
“The 20 Practical for me. Never had as much fun shooting a rifle as I did with the 20 Practical. Also, [it is] the easiest wildcat to form. Just get cases, a couple of bushings to get the right neck tension, and you are shooting.” — NMKid
“My favorite was and is the 20 Practical. No fire-forming, no neck-turning, and with the increased BC of the 20 Cal bullets, it’s hard to wipe the smile off your face in a prairie dog town[.]” — Region Rat
“20 Practical and the [original] .223 Rem are my favorites. Accurate, cheap to shoot. The 20 Prac allows you to see your hits and it’s fast.” — Alguapo
Smart Tips on Forming 20 Practical Cases
Varmint ace Warren B, aka “Fireball” in our Forum, explains how to form 20 Practical Cases. “Forming 20 Practical cases is very easy and no fire-forming is required. Start with any good quality .223 Rem brass. One can simply run the case into your bushing die with the appropriate bushing and call it done. I however like to make it a little more involved by doing the neck reduction in steps. I find that taking steps doesn’t overwork the brass as much as one step does. Also, if you resize the neck in too large of a step, sometimes, depending on the neck thickness, the neck will not be dimensionally what you would expect when finished. This is especially important towards the last step when one is getting close to the final required neck diameter.
For my cases the first thing I did was to run them into an old RCBS .223 Rem full length die with the decapping assembly removed. This will take care of any dented necks on the raw cases and bring the necks down to around 0.243″. Since all standard full-length dies oversize the necks way too much, starting with a .223 FL die actually reduces the neck diameter quite a bit — and obviates the need to buy an extra bushing for the first step. I then use my Redding Type-S die with two bushing sizes to get down to where I need to be. In other words, I start with the FL sizer, then move to a Type-S with a 0.233″ bushing and finish with a 0.228″ bushing. I use progressively smaller increments in size between the reductions.”
Efficient Loading of 20 Practical Cartridge
The beauty of the 20 Practical as a cartridge is its simplicity. You can start with .223 Rem brass, and use .223 Rem dies with minor modifications. No special case-forming dies are necessary. To prepare the brass, all you need is a .223 Rem bushing die with .233″ and .225″ bushings, plus a 20 Cal decapping rod assembly, Redding part #14206. First remove the .223 Rem decapping assembly and replace it with the 20 Cal decapping rod assembly (the same assembly used with Redding .204 Ruger dies). Put the .233″ bushing in a Redding Type ‘S’ bushing die and run your cases through for a first pass. Then swap in the smaller .225″ bushing for the second pass. Now your brass is sized and ready for loading.
You can seat bullets using a regular Redding, Whidden, Lee, or Hornady .223 Rem seating die with no mods. Use the .225″ bushing for neck sizing for all subsequent loadings once the cases have been necked down the first time. It is simple and easy.
In the above video, Robert Whitley shows how to neck down .223 Rem brass using two bushings in sequence. Then seats a bullet with the Redding Comp Seater die. To save time in the video, Robert skipped the steps of adding primer and powder. But those steps require no special equipment for the 20 Practical.
20 Practical vs. 20 Tactical
Varminter Kevin Weaver, who shoots both the 20 Practical and 20 Tactical, states that: “Both the 20 Tactical and the 20 Practical are fine .20 caliber cartridges. However, my favorite would be the 20 Practical. The 20 Practical gives the SAME performance as the 20 Tactical without fire-forming, or having to buy expensive forming dies.
So with the 20 Practical you do less work, you shell out a lot less money, yet you give up nothing in performance. What’s not to like? To create 20 Practical cases, just buy a .223 Rem Redding Type “S” Bushing Die set with a .230 or .228 bushing and have fun with this great little cartridge.
The 20 Practical and the 20 Tactical are almost identical cartridges. There are only slight differences in case outside diameter, shoulder angle, and case body length. Neck length on the 20 Tactical is a bit longer, but there is still plenty of neck on the 20 Practical to grip the popular bullets, such as the 32gr V-Max.”
20 Practical and 20 Tactical Specifications:
Cartridge
Bolt face to shoulder
Shoulder O.D.
Shoulder Angle
Total length
20 Practical
1.5778″
.3553
23°
1.760″
20 Tactical
1.5232″
.360
30°
1.755″
Parting Shot — Yes the 20 Practical works in Bolt Guns too!
“Favorite .223 Rem Wildcat? The 20 Practical hands down for me. I have two of them built on Savage actions right now. One has a 20″ BHW barrel and the other has a 26″ Criterion. It is my go-to caliber for shooting up a Prairie Dog town and the ones I have are insanely accurate. Here are some typical 100- and 200-yard groups with my 20 Practicals.” — IA_Shooter
MTM offers a black “tactical” Range Box for AR-type rifles. MTM’s model TRB-40 Tactical Range Box, currently $50.71 at Midsouth, includes a special bracket (aka “fork”) that supports AR-type rifles through the magazine well. This makes it easy to clean your Black Rifle — just slip your AR lower on the .223 Rem (5.56 NATO) size magwell fork. As shown below, this fork is red. However, some previous production models had black magwell brackets (see above). Along with the magwell bracket, this Range Box has two plastic cradles that can support the rifle by forearm and buttstock. The Range Box also offers plenty of storage for jags, brushes, solvents, ammo boxes and other miscellaneous gear you need for the range.
Among the many range boxes available, the TRB-40 Tactical Range Box makes sense for Black Rifle owners. It is rugged, it has plenty of storage space, and it doubles as a handy cleaning station. It’s a good product that does the job and stands up to rough handling. The MTM Range Box is secure enough to stay in place when you’re brushing the barrel and cleaning the upper’s innards.
Versatile Upper Tray with Dividers
The MTM Range Box has two major components — the box base (with cradles), and a large upper tray with hinged top and carry handle. This large upper tray clamps securely to the bottom unit for transport. The top tray has a long section that holds cleaning rod guides, long brushes, grease syringes and the like. There are two, clear-plastic fitted divider trays. These will hold your patches and jags, plus comparators, wrenches, and other small tools.
What Might Be Improved
Though we really like the MTM Range Box, we wish the box was a bit deeper, to have added carrying capacity. The dimensions of the MTM Range Box are: 24.6″ long x 11.3″ wide x 8.3″ high. We’d like to see it 12″ high/deep to allow larger solvent bottles to stand upright and to provide more space to carry tools, magazines, and shooting muffs. However, it is deep enough to hold the large 100-round MTM cartridge boxes that are popular with many shooters.
Most gun guys know that the NRA publishes a monthly magazine called American Rifleman. What you may not know is that NRA also offers a series of American Rifleman videos on YouTube, with recent American Rifleman TV episodes on the Outdoor Channel. For today’s Saturday Showcase we offer seven noteworthy NRA-produced gun videos currently hosted on YouTube.
Highlights from American Rifleman TV Episodes
Currently on YouTube you can access dozens of past episodes of the American Rifle television series, along with many recent gun/gear reviews. Here are seven NRA videos featuring important or interesting rifle types plus a Remington ammunition factory tour.
Remington Model 700 ADL and BDL
After Winchester came out with the Model 70, Remington Arms answered with the Model 700, one of the most recognized bolt-action designs of all time. The design emerged in 1962, as Remington sought to improve on its previous Models 721 and 722. Two versions of the Remington Model 700 existed at launch: ADL and BDL models. “You know, you could have it two ways. You had the ADL and the BDL,” said NRA Publications Editorial Director Mark Keefe. “You had the plainer ADL at a better price point, then you had the BDL and that had fleur-de-lis checkering and white spacers and a gloss finish and, you know, it was shinier.” The commercial market wasn’t the only area where the Model 700 was successful, as it was also adapted into the U.S. Army as the M24 sniper rifle. To this day, the Model 700 continues to be a popular bolt-action rifle platform for both commercial and military use.
CMP M1 Garand Matches
The Civilian Marksmanship Program (CMP) runs matches throughout the country, including the major summertime Camp Perry matches. This American Rifleman video covers the CMP’s M1 Garand Match, one of the most popular matches at Camp Perry every year. The Garand shoots the .30-06 Springfield cartridge. It is a surprisingly accurate semi-auto rifle, when fitted with an aftermarket barrel. The CMP recently started a program where the CMP is producing M1 Garands with completely new actions and barrels.
Model 1903-A3 Springfield — History of Wartime Rifle
While the U.S. Army’s Model 1903 Springfield rifle is one of the most well-recognized small arms of the 20th century, a lesser-known variant served as an important stop-gap rifle in the early years of World War II. Thanks to the efforts of engineers and arms designers at Remington, the U.S. Army eventually adopted an official pattern of the Springfield termed the “Model of 1903A3.” This NRA video covers the interesting history of the Springfield model 1903-A3.
Revival of Remington Ammunition Production by Vista Outdoor
Remington Ammunition filed for bankruptcy in July 2020. Vista Outdoor, owner of Federal, CCI, and Speer, purchased the assets of Remington Ammunition. This video explains how Vista Outdoor revived Remington’s Lonoke, Arkansas plant. “This is one of the largest ammunition manufacturing plants in the world. It was set up in 1969 by DuPont, who owned Remington at the time” notes Mark Keefe, NRA Publications editorial director. Over the first 18 months of Vista’s ownership of Remington Ammunition, the facility added more than 1500 employees and increased centerfire-handgun ammunition production more than 40 percent, while shotshell production increased 15 percent.
Henry U.S. AR-7 Survival Rifle
This is an interesting video of a compact rimfire rifle originally issued to U.S. Air Force crews. In the event a crew was downed in a wilderness area, the rifle could be assembled and used to shoot game for food. Civilian versions of this ultra-lightweight 3.5-lb rifle are also available. In this video, American Rifleman contributor Jeremiah Knupp puts the Henry U.S. AR-7 Survival Rifle to the water test. The civilian version is sold by Henry as the Henry U.S. Survival Rifle. With the action, barrel, and magazines housed INSIDE the stock assembly, this rifle can easily be carried in a pack or stowed in a vehicle.
Springfield M1A — Popular .308 Win (7.62×51) Semi-Auto Rifle
The M1A is one of the most popular rifles sold today by Springfield Armory. The M1A is a semi-auto version of the select-fire military M14 rifle developed in the 1950s. Designers adapted the action of the M1 Garand with a different gas system and dropped the 8-round internal magazine for 20-round detachable box magazines. Chambered for the 7.62×51 NATO cartridge, the M14 was adopted by the military in 1959, replacing the M1 Garand. However, its term as the official U.S. service rifle was short-lived, as Armalite was developing the M16, which evolved into the semi-auto AR15 for civilian use. Despite the M14 having a short-lived career as a service rifle, the semi-auto M1A remains quite popular for CMP rifle matches.
In 2020, Lyman released the updated Second Edition of its AR Reloading Handbook. The original AR Reloading Handbook was the first reloading manual dedicated exclusively to the most popular semi-auto rifle in the USA. The Second Edition of this comprehensive Lyman AR Reloading Handbook has been updated to include more cartridge types and significantly more load data. This provides AR shooters with reloading info for the vast majority of popular chamberings used in AR-platform firearms. Get this resource for $17.98 from Lyman (plus shipping) or $19.97 on Amazon (free delivery with total order over $35.00).
Reloaders will appreciate the extensive pressure-tested data covering a very wide selection of bullet types and powder types. The Second Edition provided data for newer cartridges such as the .224 Valkyrie, .22 Nosler, .24 Nosler, 350 Legend, as well as sub-sonic data. In addition, articles by well-known authorities are included, covering topics such as “Building An AR” and “AR15 Gas System Lengths”. This book is available direct from Lyman and from Amazon (at a discount).
Features of Lyman AR Reloading Handbook (Second Edition)
— Reloading data for popular AR-platform cartridge types, including the .223 Rem, .224 Valkyrie, 6.8 Rem, .300 AAC, 7.62×39, 350 Legend, 450 Bushmaster, .50 Beowulf and more.
— Many informative articles on specialty topics such as Reloading for Suppressors and Building ARs.
— Load Data covers all major brands of bullets and powders.
— Load Data for cast bullet data and sub-sonic loads.
AR-Platform Insights — Operation and Maintenance Tips
Here are two helpful videos for AR owners. The first uses 3D computer animation to show how AR-platform rifles work — from the inside. The Cutaway views show the operation of the gas system and bolt while cycling. The second video, by legendary competitive shooter Jerry Miculek, provide helpful guidance on AR disassembly and maintenance.
Book publishing tip from ELR Researcher. We welcome reader submissions.
When most shooters think of biathlon, they imagine the winter sport which combines cross-country skiing with rimfire rifle shooting. Now there’s a new type of biathlon, a true “run and gun” competition with rifles and pistols. The Gun Run competitors move on foot over natural terrain, with 5-8 shooting stages over the course, typically 5 km (about 3 miles).
The Gun Run is a two-gun, centerfire biathlon. It is designed to test your physical fitness, marksmanship, and equipment. Competitors will carry their rifle, pistol, ammunition, mags and anything they believe they need to complete the course. They will travel over various distances depending on the match — but most often a 5 kilometer marked course consisting of natural terrain, roads, and trails. There will be anywhere from 5 to 8 shooting stages. There are night events, two-person team events, and even a land navigation event where you must use map and compass to complete the course.
The Gun Run is not a CrossFit competition and it’s not USPSA. This is a challenging event that test personal fitness and marksmanship with both rifle and pistol.
How to Participate in The Gun Run Events
Click below for the list of The Gun Run 2025 Events with links to sign-up pages. The next competition is the Gun Run Land Nav slated for May 24, 2025 at DeWitt’s Outdoor Sports in Ellerbe, North Carolina. This is a special, more challenging event. Instead of following a 5k course marked with signs, competitors will navigate an unknown distance course using a map and compass. After, that, the next Gun Run event will be held June 21, 2025 at The Sawmill Training Complex in Laurens, SC 29360.
Origins of The Gun Run
This isn’t a new concept … matches like this originated in Texas 20 years ago and have spread all over the country. Prior to that, Colonial Era Americans would gather on the village green sometimes multiple times a week and conduct close order drill with rifle marksmanship competitions. Shooting is as old a past time for this country as this country is old.
Fitness Challenge
Carrying all your gear in 90 degree weather up and down hills is not easy. Having the best gear and being a good marksman can help but having a level of fitness where you can maneuver with gear on is extremely important. The end result of all of this is improving your training plan. Whether it be physical or on the range, every event you compete in should give you areas to work on. Sometimes new kit needs to be bought but most often it is our fitness that needs the most improvement.
20 Practical Ultimate Varminter
Robert learned that the accuracy of the first 20 Practical AR15 was no fluke. After building six (6) more 20 Practical uppers, he tested them for accuracy and they all shot great. These uppers featured DPMS low-pro receivers with side-charging handles. They are fitted with PacNor 1:11″ twist, 3-groove stainless barrels. Three of the uppers had 24″ barrels, two had 20″ barrels, and one had an 18″ barrel (See below).
Varmint ace Warren B, aka “Fireball” in our Forum, explains how to form 20 Practical Cases. “Forming 20 Practical cases is very easy and no fire-forming is required. Start with any good quality .223 Rem brass. One can simply run the case into your bushing die with the appropriate bushing and call it done. I however like to make it a little more involved by doing the neck reduction in steps. I find that taking steps doesn’t overwork the brass as much as one step does. Also, if you resize the neck in too large of a step, sometimes, depending on the neck thickness, the neck will not be dimensionally what you would expect when finished. This is especially important towards the last step when one is getting close to the final required neck diameter.
Varminter Kevin Weaver, who shoots both the 20 Practical and 20 Tactical, states that: “Both the 20 Tactical and the 20 Practical are fine .20 caliber cartridges. However, my favorite would be the 20 Practical. The 20 Practical gives the SAME performance as the 20 Tactical without fire-forming, or having to buy expensive forming dies.
