The Faxon Firearms Fluted Threaded Barrel is machined from 416R stainless steel and features their unique flame fluting. This aftermarket pistol barrel is also black Nitride finished for long lasting durability. The 1:10 button rifled twist rate and 11-degree target crown ensure you are getting the most accuracy possible out of this barrel. This match barrel features precise tolerances and a drop in fit for instant improvement in your competition gun.Features:Chambered in 9mmFor Glock 17 gen 1-4Flame fluted416R stainless steel1:10 twist rate11-degree target crownSalt Bath Nitride finishFaxon Machining engineers and manufactures components that are found everywhere. In theaters of combat, on the ocean floor, in cars, in aircraft, on the ISS, and on Mars. Now, they bring their engineering excellence to bear on providing new and innovative components for the AR-15 platform that set the standard for quality. Faxon Firearms, manufacturing strategic solutions for tactical problems. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.