Get a better shooting experience with the DMA Inc. Threaded Match Barrel for Gen 1-4 Glock 17 Pistols - 1/2x28. This precision-engineered match barrel seamlessly integrates with your compatible Glock 17 pistol and is constructed using premium 416R stainless steel with a corrosion-resistant nitride finish for better longevity and wear resistance. A 1:10 twist rate offers superior precision for tighter groups and better accuracy, while the 1/2x28 threads allow you to take advantage of your favorite muzzle devices. Compatible with Gen 1-4 Glock 17 pistols. Made in USA. Specifications