CMMG 300 Blackout 16.1" Barrel Sub-Assembly, Black Nitride - 30DF80A

CMMG barrel sub-assembly chambered in 300 AAC Blackout with a 16.1" carbine-length profile and 1:7 twist rate, constructed from 4140 chromoly steel with salt bath nitride finish. Features a multi-role profile design optimized for AR-15 platforms. Threaded 5/8x24 muzzle.