Faxon's Match series pistol barrels for the G19/Glock 19 are precision machined entirely in house from stress relieved 416R stainless steel. These barrels are treated with either a black Nitride or PVD coating to improve lubricity, extend barrel life and enhance resistance to surface wear. Featuring conventional rifling, they are compatible with a wider range of ammunition, including cast lead. Designed to drop into factory spec slides without the need for gunsmithing, these barrels offer better than factory tolerances, ensuring a more consistent and tighter lockup than OEM barrels. Made from 416-R stainless steel, offering superior durability, longevity and accuracy 9mm SAAMI chambers provide superior accuracy, full SAAMI compatibility and reliable performance Tighter tolerances offers a drop-in installation with improved fitment and enhanced lock-up Conventional rifling is fully compatible with cast bullets The firearm is equipped with an 11 degree target crown Durable salt bath nitride finish for superior corrosion-resistance and enhanced wear protection Button rifled and fully stress-relieved for enhanced performance