KKM Precision Match 9mm Barrel for Glock 19, Threaded 1/2" x 28. This threaded drop-in ready 9mm match barrel is expertly made from a strong 416R stainless steel and is machined for greater dimensional tolerances over the stock Glock 19 Gen 1-4 barrel. This 4 5/8" KKM Precision barrel features a proprietary Button Rifling design along with SAAMI spec match chambers for improved accuracy for your pistol. The match barrel quality of design implemented in this product allows you to shoot factory, reloaded, lead, and even jacketed ammo while providing a consistent and accurate shooting experience with every shot.Features: Made with certified 416R gun-barrel stainless steel Heat treated and vacuum tempered to 42 RC CNC machined to ideal dimensional tolerances Proprietary Button Rifling process SAAMI spec match chamber Drop-in fit Threaded muzzle 1/2" x 28 TPI Includes thread protectorModels Fit: Glock 19 Gen 1-4Manufacturer: KKM PrecisionPRODUCT SPECIFICATIONS: Barrel Length: 4-5/8" Barrel Thread Pitch: 1/2" x 28 TPI Brand: KKM Precision Caliber: 9mm Finish / Color: Stainless Steel Firearm Type: Pistol Material: Steel Models Fit: Glock G19DISCLAIMER: 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.