Rosco Manufacturing

This Glock Bloodline barrel is for Glock 19 pistols, Generations 1 through 4. Although it is a simple, user-friendly swap, they still recommend consulting a local gunsmith if you have any questions about installation. This barrel is rated for use with SAAMI-approved, factory new ammunition. Rosco Manufacturing's line of barrels for GLOCK offers a drop-in, match-grade option that improves 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. Features : - Threaded, 1/2X28 - "4.6" Overall Length" - 416R Stainless Steel, Melonite Finish, Nitride Black - 1:10 Twist - Fits Glock 19