CMC Barrels Glock Performance Barrel, 9mm, 4.48″ fits Glock 17 Gen 3-4, Black (75511)

CMC’s Match Precision Barrel is constructed of pre-hardened 416R premium grade stainless steel with 6 grooves and is rifled cut. The drop-in barrel is fluted, bead blasted for a satin finish, and has a SAAMI match grade chamber. This model is compatible with Glock 17 Gen 3&4 models, has a black DLC finish with hBN (Hexagonal Boron Nitride) bore and chamber. It is threaded with 1/2×28 tpi threads.