True Precision Inc TPG19BXBL Glock 9mm Luger 4″ Fluted Black Nitride Stainless Steel, Fits Glock 45/19X/19 Gen1-5

TRUE barrels deliver unmatched accuracy, combining advanced cuts, chamfers, and feed ramp designed to outperform OEM standards and to ensure reliable feeding of all types of ammunition designs. The proprietary stainless steel broach cut rifling underscores the commitment to those who demand the best.