300 AAC Blackout Ammo

The. 300 AAC Blackout (designated 300 BLK by SAAMI and 300 AAC Blackout by CIP), also known as 7.62×35mm, is an intermediate cartridge developed by the Advanced Armor Corporation (AAC) in the United States for use in M4 carbines. 

What’s so special about 300 Blackout?

The. The 300 BLK shell offers a wide range of options, thank you. The 30 caliber, 9-inch barrel burns to its full potential and is a better choice for hunting. It can alternate supersonic and subsonic ammunition without modification.

Does the military use 300 AAC?

300 ACC blackout. In December 2016, NL-MARSOF procured 195 continuous-pressed SIG MCX carbines to create a new folding stock for use with chambered ballistic visor helmets. The 300 AAC Blackout is becoming the first universally known military user of the cartridge.

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