ROSCO K9 12.5 556NATO SAUCE PACK

Rosco Manufacturing K9, Saucepack, Barrel, 556NATO, 12.5, Patrol Length Gas Length, Fits AR-15, Nitride Finish, Black, Includes Bolt Carrier Group, Gas Tube, Non Adjustable Gas Block SP-K9-125-556-BCG-GTS-NGB-001