Hitman Industries 16 inch 45 ACP Pistol Caliber AR-15 Nitride Barrel

16.5 inch 45 ACP AR-15 Barrel, 4150 CMV, Nitride/Melonite Treated, 1/16 Twist - made by Hitman Industries. Note: Do not use muzzle devices designed for 300 Blkout or other 30 cal - serious injury may occur as the opening is not large enough to accomodate the larger round. Weight1.5Length16.5ProfileN/ATwist1:16FinishNitrideMaterial4150 CMVThread Pitch5/8-24Caliber45 ACPFeed RampN/AFlutesN/AGas SystemN/ARiflingConventionalGas Block SystemN/A