The .300 AAC Blackout Ammo (designated as the 300 BLK by the SAAMI and 300 Blackout by the C.I.P.), also known as 7.62×35mm, is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Its purpose is to achieve ballistics similar to the 7.62×39mm cartridge or, even more similarly, the 7.92×33mm Kurz cartridge in an M4 while using standard M4 magazines at their normal capacities. 300 Blackout ammunition cannot be used in a rifle chambered for 7.62×40mm Wilson Tactical. It is mainly derived from the .300 Whisper concept, but differs in having been submitted to the SAAMI.
Ballistic know-how combined with modern technology makes 300 Blackout ammo the go-to for seasoned shooters and marksmen. This centerfire ammo, also referred to as 300 AAC Blackout, is best known for its superb performance and versatility. Thanks to its incredible accuracy, the 300 Blackout round is tried and true to be one of the most versatile loads.
Great for target shooting, hunting, and tactical applications, 300 blk ammo is the high-performing low-recoil answer to bulky. Additionally, there’s also 300 Blackout subsonic for fans of suppressed fire. Comparing it to other rifle ammunition, 300 Blackout is a cross between popular military rounds like 5.56mm and 7.62mm