Griffin Armament has designed their excellent Advanced Threaded Match barrels for anyone who has to seriously depend on their sidearm. Each barrel is precision cut in a single operation from high-strength billet 416R stainless steel using the latest 5-Axis CNC machining techniques to provide truly exceptional consistency from barrel to barrel. The SAAMI-spec chambers have been hand-polished to provide the rugged reliability you'd expect with a wide range of training and duty / defensive ammunition. The barrel has also been crowned and threaded, combining match-grade performance and accuracy with the flexible utility provided by allowing shooters to utilize their favorite compensators or suppressors.For a limited time, these barrels include the Griffin Armament Micro Carry Comp.Features:Billet 416R stainless steelPrecision cut on 5-Axis CNC machinesPerfect barrel, slide, and locking lug geometryHand polished 9mm SAAMI-spec chamberBroach cut 1:10 riflingDrop in fit for Gen 3/4 Glock G19 handgunsBlack nitride finishTarget crowned muzzleThreaded 1/2x28 for compensators and suppressorsIncludes Micro Carry CompGriffin Armament produces serious use products with exceptional quality at a fantastic value. Designed with real world experience and built in the U.S.A., their product line has the parts you need. They're built to last a lifetime and backed by their perpetual lifetime warranty. 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.