Next to the original 5.56mm NATO/223, the 300 AAC Blackout (BLK for short) is the most popular chambering for the AR-15 platform, and, as a result, manufacturers now pump out a wide variety of 300 ...

** 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. ** The soaring popularity of ...

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.

** 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 ...

LAS VEGAS -- Winchester Ammunition has a new hunting cartridge that's more potent than the .300 Blackout and the .223, company officials said. The new .350 Legend centerfire rifle cartridge is ...

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, ...

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.