CMMG 16.1" Barrel Sub-Assembly, Medium Taper, 416 Stainless Steel, Bead Blasted - 55D590A

Complete barrel sub-assembly for AR-15 upper receiver builds, chambered in 5.56mm NATO with 1:7 twist rate and midlength gas port. Features 416 stainless steel construction with bead blasted finish, threaded 1/2-28 muzzle, and comes pre-installed with M4 barrel extension and properly headspaced. Ready to integrate into your custom AR-15 upper group.