CMC Triggers AR-15 Barrel 5.56 NATO 7.5″ 1:7 Twist Pistol Gas System Black Nitride

CMC Triggers AR-15 barrel in 5.56 NATO with 1:7 twist rate and pistol-length gas system. 4150 Chrome Moly Vanadium steel with H&M Black Nitride+ coating.

– Caliber: 5.56 NATO
– Length: 7.5″
– Twist: 1:7
– Gas system: Pistol length
– Profile: Government
– Thread pattern: 1/2″ x 28
– Material: 4150 Chrome Moly Vanadium
– Coating: H&M Black Nitride+
– Feed ramps: M4
– Crown: 11 degree match
– Gas block installation: Bottom dimple for alignment