** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** SIG Sauer’s newest 300 BLK ...

The 300 Blackout provides users a larger caliber option to 5.56mm in the same platform size. The 300 Blackout has an efficiency advantage compared to the 5.56 when used in shorter barreled firearms.

The AR is a rugged and reliable platform that has proved its capabilities on the battlefield for 50 years, but its 5.56x45 mm (.223 Rem.) chambering is considered to be on the smaller end of the power ...

Israel Weapon Industries Ltd. recently unveiled a new AR-style rifle that can quickly change from 5.56mm to .300 Blackout ammunition and is designed for special operations forces. The .300 Blackout, ...

In March, Ruger announced its AR-556 Pistol, based off its popular direct-impingement AR-556 rifle. Just a few months later, Ruger decided to up the game and unveil a new blaster within the AR-556 ...

The 300 Blackout provides users a larger caliber option to 5.56mm in the same platform size. The 300 Blackout has an efficiency advantage compared to the 5.56 when used in shorter barreled firearms.