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 bronze DLC finish with hBN (Hexagonal Boron Nitride) bore and chamber. It is threaded with 1/2×28 tpi threads.
CMC Triggers 75513 Match PrecisionCompatible w/Glock 17 Gen3-4 9mm Luger 4.48″ Bronze DLC Stainless Steel Fluted/Match Grade/Threaded Barrel