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 ...

SIG Sauer, Inc. has announced its new .300 Blackout Supersonic Elite Performance Ammunition match grade center-fire cartridges. This supersonic round features a 125-gr. Sierra Matchking projectile ...

SilencerCo today unveiled its new line of Harvester Subsonic 300 Blackout high performance ammunition, designed specifically for silencer-equipped firearms.

While a 10.5” barrel is generally considered to be a “short” barrel for 5.56mm, many .300 Blackout weapons have barrels as short as 5.5” while still retaining effective ballistics.

The new .350 Legend centerfire rifle cartridge is "designed specifically for deer hunting at 250 yards; it carries more muzzle energy than a .30-30, a .300 Blackout and a .223," Dusty Gibson of ...