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June 3rd, 2022

.300 Blackout Round in .223 Rem AR Upper — Instant Disaster

.300 AAC Blackout 300 BLK kaboom accident blowup cartridge failure barrel .223 Rem 5.56
Photos and Facebook post by Tactical Rifle Shooters

Yet another .300 Blackout disaster. Unfortunately, that .300 Blackout cartridge can fit in a .223 Rem chamber. Shooting a .308-caliber bullet in .223 bore is a recipe for disaster.

.300 AAC Blackout 300 BLK kaboom accident blowup cartridge failure barrel .223 Rem 5.56

.300 AAC Blackout 300 BLK kaboom accident blowup cartridge failure barrel .223 Rem 5.56The .300 AAC Blackout aka “300 BLK”, is a compact 30-caliber cartridge designed to work in AR-15 rifles. It has a shorter cartridge case to accommodate the bigger 30-caliber bullet while still fitting in a standard AR-15 magazine. Unfortunately, that’s the danger. A careless shooter can toss a .300 Blackout cartridge in with .223 Rem rounds without noting. And because the case-head size is the same as the .223 Rem (5.56×45) the rifle’s bolt assembly will happily chamber and fire the .300 BLK round. Problem is, that forces a .308 diameter bullet down an undersized .223-caliber bore. Not good!

This images were provided by Tactical Rifle Shooters on Facebook. The message was clear: “Don’t try to run 300 Blackout in your .223/5.56mm. It won’t end well. The problem is identical rifles and identical magazines but different calibers.”

Image from Accurate Shooter Forum. Cutaway shows the jammed .30-Cal bullet:
.300 AAC Blackout 300 BLK kaboom accident blowup cartridge failure barrel .223 Rem 5.56

For those who MUST have a .300 Blackout, here are some things you can do:

1. Use different colored magazines for .300 Blackout vs. .223 Rem.
2. Fit all your uppers with caliber-labeled ejection port covers.
3. Mark .223 Rem upper handguards with the caliber in bright paint.
4. Mark all .300 BLK Rounds with heavy black marker.

.300 AAC Blackout 300 BLK kaboom accident blowup cartridge failure barrel .223 Rem 5.56

Comments by Folks Who Viewed these .300 Blackout Disaster Photos:

“The .300 Blackout is simply a badly-designed round. A properly-designed round would have had a feature in the shape that would have prevented cross loading in the first place.” — D. Santiago

“I almost made that mistake… I had a magazine of 300 BLK inserted in my .223/5.56 all night. Fortunately, I never pulled the trigger. Once I realized the mistake, I almost got ill. [After that incident] I no longer own a 300 BLK.” — B. Welch

“Happened to me hog hunting from a helo. Gun exploded in my face.” — B. Hood

“Fire-forming projectiles [is] so wrong in centerfire!” — M. Stres

“Had some dude come into the store the other day wanting .300 Blackout ammo to shoot in his 5.56 AR. It took 15 minutes of explaining for him to understand you got to have a .300 Blackout Upper!” — R. Williams

Permalink Bullets, Brass, Ammo, News, Tech Tip No Comments »
June 3rd, 2022

Lyman Universal Press Stand Review — Strong, Quality Product

lyman universal press stand review Dillon 550 Forster Co-Ax bench lift reloading

I absolutely love using this press stand. I use it with my Forster Co-Ax as well as my Dillon 550. The stand mounts those presses at the right height to minimize fatigue and maximize torque. Some products I merely review and return but this one is a keeper and won’t be leaving my bench anytime soon. — F-Class John

Lyman Universal Press Stand REVIEW

Product Review by F-Class John
Positioning your press at the optimal height is one of the oldest problems in reloading. Most presses sit low off the edge leading to uncomfortable arm strain or inconsistent pressure being applied while using. Lyman has set out to fix that problem with a reasonably-priced ($69.46 at Midsouth) press riser that works with the vast majority of reloading presses. This unit will raise just about any press up off your bench securely, allowing you to working more comfortably from a standing position. This also frees up vital bench space UNDER the press. Unfortunately this press stand is so popular it is back-ordered at most vendors.

lyman universal press stand review Dillon 550 Forster Co-Ax bench lift reloading

I have used a variety of presses over the years. At times I’ve run into issues mounting a press at a level that doesn’t promote arm or hand strain during normal operations. In the past I’ve used blocks of wood or even tried other brands’ proprietary stands. But I had very limited success with those options. Accordingly, I was very excited to give the Lyman Universal Press Stand a chance.

Lyman’s Universal Press Stand comes complete with side plates, two different top plates, and a large collection of mounting hardware. The two top plates are pre-drilled for numerous popular Single Stage or Progressive presses. Helpful diagrams and instructions show which side of the top plate you need to use. The pre-drilled holes accommodate a variety of presses from RCBS, Dillon, Lyman, Redding, and Hornady. But surprisingly, the plates are not pre-configured for the Forster Co-Ax Press.

CLICK to WATCH VIDEO Showing Lyman Universal Press Stand

Setting up the stand was very simple. The two sides bolt to the lower shelf unit at which point you attach the top plate. All the supplied bolts made this a breeze and once everything was snugged down, I was able to place it on my bench where I wanted it and mark the drill holes to mount it. After securing the stand to my bench it was time to mount my press.

Lyman Universal Press Stand with Dillon 550 Press

lyman universal press stand review Dillon 550 Forster Co-Ax bench lift reloading

Adapting Lyman Universal Press Stand for Forster Co-Ax
At the time of testing I was primarily using a Forster Co-Ax press. With no pre-drilled Co-Ax configuration for either Lyman top plate, I decided to customize the blank side of one of the top plates. I opted to position the mounting holes so that the press could sit 100% on top of the mounting plate and not just off one edge. I found this process simple to execute. Mark your drill holes, then drill the plate. This can easily be done with regular drill bits although using a step-bit worked faster and cleaner to help enlarge the holes just a little when I needed some extra clearance.

lyman universal press stand review Dillon 550 Forster Co-Ax bench lift reloading

Lyman Universal Press Stand Is Stable and Strong
Once set-up, I found the stand to be incredibly stable. The design allows for full force to be applied to the press no matter what the operation. Having used this Lyman Press stand regularly over the past few months with both my Co-Ax and a Dillon 550c, I still find myself loving it. The height is perfect and allows me to load as much as I like without straining my arm or getting fatigued. With an attractive price point (under $55.00 street price) and a simple design, I feel this is a great system for those looking for a secure and raised platform for their reloading presses.

The Universal Press Stand comes with two plates. If you have different presses that fit each plate you could easily swap presses just by changing plates while leaving the presses attached. It’s less functional if you have two presses that share one plate and would require removing one press before installing the next one.

lyman universal press stand review Dillon 550 Forster Co-Ax bench lift reloading

Lyman Press Stand Unboxing and Set-Up (KFW Video Review):

Permalink - Articles, - Videos, Gear Review, Reloading 1 Comment »
June 3rd, 2022

Gunsite Academy Training Videos for Rifle, Pistol, and Shotgun

Gunsite Academy Panteo Video Classes Jeff Cooper

Gunsite Academy, the oldest and largest civilian firearms training academy in the USA, now offers 96 videos cover the full spectrum of the Gunsite Academy curriculum. In most of these videos, instruction/demontrations are provided by respected Gunsite instructors with commentary by gun writer Richard Mann.

There are a wide range of videos covering pistol, rifle, and shotgun shooting. In addition, there are videos covering gun maintenance, optics, and accessories. Nearly 100 videos are currently available on the Gunsite Academy Video Page. Most of the videos are also available the Gunsite YouTube channel.

Here are Five of our Favorite GunSite Academy videos:

Proper Bipod Use with Rifles

Dry-Fire Training — Save Your Ammo

MIL vs MOA in Riflescopes

Drawing a Handgun from Concealment

AR Platform Rifle Take-Down and Maintenance

In this video, Gunsite Academy instructor/gunsmith Cory Trapp demonstrates the proper way to field-strip, clean and lubricate an AR-15 carbine. Trapp also offers important technical tips for maintaining your modern sporting rifle, including lube points. This video has nearly 2.5 million views on YouTube.

Gunsite Academy Panteo Video Classes Jeff Cooper

Gunsite Academy — 45-Year Heritage of Excellence
Founded in 1976 by Lt. Col. Jeff Cooper (WW II and Korean War combat veteran, author, and professor), Gunsite Academy has been providing elite firearm instruction for more than 40 years. It enjoys a reputation for serious, no-nonsense training. Cooper built the facility just west of Paulden, Arizona. Originally it was called the American Pistol Institute (API).

Permalink - Videos, Handguns, Shooting Skills, Tactical No Comments »