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 ...
The 300 Blackout rifle and cartridge were born out of a request by the U.S. Special Operations Command. While the 300 BLK saw limited use in the military, it’s been accepted widely by hunters and ...