Lone Wolf replacement barrels are manufactured from the highest grade mill select 416 stainless steel, CNC machined, and heat treated. These combined features provide a lifetime of service at an affordable price. The standard groove and land rifling make this an excellent choice for those who wish to shoot lead, plated or jacketed bullets. Can be used in factory ported or stock pistols. Intended for use in the Glock 17 pistol only. Features: Ready to use, pre-fit drop in, no gunsmithing required Fits Glock Gen3 & Gen4 (For Gen5, order AW-19L) Barrels do not fit Gen 1 "pencil barrel" G17's. Pencil barrels were included in serial numbers AA000-AL999 G17's Precision machined from heat treated 416 stainless steel Lock-up area produces greater shot-to-shot accuracy Tighter dimensions than the original Glass bead, satin finish exterior Maximum chamber support, improved feed ramp design Button rifled, standard crown Ok to use lead, plated or jacketed bullets Proudly made in the USA #html-body [data-pb-style="62DF82896A150"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF82896A15D"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}