Here's the ideal building block for your next suppressed/subsonic .300 AAC Blackout AR pistol build. The CBC 300 BLK Upper features a 7.5 inch 4150 steel nitrided barrel with a 1:8 inch twist that provides optimal stability for the heavier projectiles found in subsonic loads. The 7 inch KeyMod Gen2 handguard is low-profile and free-floating, and allows for easy attachment of lights, lasers, and more. PLEASE NOTE: Bolt carrier group and charging handle not included. Chambered for .300 AAC Blackout 7.5 inch 4150 chrome moly steel barrel with nitride finish for superior corrosion resistance 1:8 inch twist can handle the heavier projectiles found in subsonic loads 7075-T6 aluminum receiver 7 inch Gen2 KeyMod free-floating handguard Forward assist and dust cover .750 low-profile gas block BCG and charging handle not included Order today!
