300 BLK

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One Lower - AR Mags, AK Mags, 9mm Mags -  Windham RMCS-4 - Full Review.

One Lower – AR Mags, AK Mags, 9mm Mags – Windham RMCS-4 – Full Review.

At the 2016 SHOT Show, Windham Weaponry announced that they would be showing a groundbreaking new rifle that would allow the user to convert between calibers by changing out the barrel, mag well, and bolt carrier group—all while utilizing the same lower and upper receivers. They were going to have three versions available, with up to four caliber options in one AR platform rifle.

FIRST LOOK: Sneak Peek at Revamped & Enhanced FN 15 Rifles!

FIRST LOOK: Sneak Peek at Revamped & Enhanced FN 15 Rifles!

Building on this strength is what the company describes as the next evolution of the FN 15 design. The FN 15 Series will now take on what is described as a “streamlined, family” approach and feature a newly designed FN handguard with M-LOK technology. This will include the new DMR II as well as the Tactical Carbine II.

Gunfight Science: SBRs in 5.56 Suck - Buy a .300 BLK

Gunfight Science: SBRs in 5.56 Suck – Buy a .300 BLK

Many factors go into how a weapon functions and the ballistics of your chosen projectile. 5.56 is absolutely fine as a combat cartridge. As long as you can move the bullet fast enough. But, is there a better option for all the other situations?

Suppressor Company Offers An AR?—The AAC MPW in 300 BLK—Full Review

Suppressor Company Offers An AR?—The AAC MPW in 300 BLK—Full Review

Today, everyone in the industry is aware of the 300 BLACKOUT cartridge. Indeed, firearms and ammunition in 300 BLK are readily available from most major manufacturers. However, many readers may have forgotten, or never heard, the origins of the cartridge. And the company that developed has its own AR designed to fire it.

Sig Sauer's 300 Blackout 125-grain Supersonic ammo.

Ammo Test: Sig Sauer 300 Blackout 125-grain Supersonic Match Grade

The Sig Sauer Elite Performance 125-grain supersonic 300 Blackout load is match grade and is tipped with a 125-grain Sierra Matchking projectile. Technically, like most Sierra Matchking rifle bullets, it’s a hollow point, or more accurately, Open Tip.

The Great GunsAmerica Ammo Adventure

We Test Sig Sauer’s New 300 Blackout Match Subsonic Ammo

We’re starting a new project here: The Great GunAmerica Ammo Adventure. Each week, we’ll take an in depth look at a specific cartridge. Not a brand, but a specific brand, model, caliber and loading. First up? New 300 Blackout from Sig.

OK, so this one was temporarily souped up. No worries, there's a factory configuration photo here too.

CMMG’s Mk4 300 Blackout AR Pistol

I think the 300 AAC Blackout caliber was really made for short barrels. Don’t get me wrong, I have a 300 Blackout AR-type rifle with a 16-inch barrel and love it. I just think the flexibility of the caliber really shines in short and compact configurations. And the CMMG MK4 Pistol is a solid option.

An Easy Way to Train With 300 Blackout

An Easy Way to Train With 300 Blackout

Today’s spotlight is on a very special set from Barnes Precision Machine–an AR-15 with uppers in both 5.56 and .300 AAC Blackout. Why two upper receivers? That is the brilliance of the Blackout. 300 AAC was designed from the ground up to work with all existing AR-15 components except the barrel. Magazines, bolt, and all the internal parts are identical. But the real benefit comes from active training.

Here's a 300 Blackout cartridge loaded with a ballistic tip bullet, dropped, not forced, into the same 5.56mm chamber.

Personality Quirks of the 300 AAC Blackout

Can you crack open a 5.56 when you accidentally chamber a 300 Blackout? Yes. Yes you can. With a basic understanding of the cartridge and its personality issues, 300 Blackout is the bomb. For those who are careless, 300 Blackout can be a bomb. What else should look out for? In our ongoing coverage of the 300 Blackout, I offer this in-depth look at some of the personality quirks of the platform.

Hickok45, Daniel Defense Integrally Suppressed .300 Blackout

Hickok45, Daniel Defense Integrally Suppressed .300 Blackout

Hickok45 takes a look at a Daniel Defense M4 Carbine, ISR-300 Blackout.