CMMG Barrel And Bolt Kit For AR-15 9MM 8" RDB Black
AR-15 Accessory: Y Caliber: 9MM Luger Finish: Black Matte Length In INCHES: 8 Threaded: Y Other FEATURES:: Medium Taper, 1:10 Twist, 4140 Chrome Moly, Salt Bath Nitride Finish, Threaded 1/2X28" Other FEATURES2:: Radial DELAYED Blowback Bolt, Requires ENLARGED Ejection Port For Reliable Operation, Includes Bolt And Barrel
