Krieger DCM 1-7 Twist Post-Ban Barrel The Krieger DCM 1-7 twist post-ban barrel is purpose-built for Service Rifle competitors who demand world-class accuracy. Featuring a non-threaded muzzle for post-ban compliance, this barrel offers the same renowned precision Krieger is known for. The 1-7 twist rate excels at stabilizing heavier match bullets, giving shooters reliable performance at long distances. Each barrel is single-point cut-rifled and hand-lapped to ensure unmatched consistency, smooth bore finish, and exceptional barrel life. 4 Groove 1-7 twist Rate Made of 416 stainless steel 3.5lbs Rifle Length Gas System .750 Gas Block Diameter