The Rosco Manufacturings line of Glock barrels are a drop-in, match grade option that enhances the accuracy and performance of any stock Glock pistol. All Bloodline Glock barrels are made from 416R stainless steel, broached, honed, polished, and then melonited.All barrels have also been designed with strategic beveled edges surrounding the chamber area to reduce premature wear/ tear commonly found on basic aftermarket barrels. The result is a duty capable upgrade that will not sacrifice quality. Drop a Bloodline in your Glock to experience true PERFECTION at a price that will leave you room for plenty of ammo.Specifications: Color: Black Finish: Melonited Fabric/Material: Stainless Steel Barrel Twist Rate: 1-10 Flutes: No Cartridge: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Weight: 0.5 lbFeatures: Barrel Crown Recessed with a 50/50 surface split Rifling Pulled broach