Lantac 01GBG19THSS 9INE Glock 19 9mm Luger 4.01 Stainless Steel Fluted/Threaded. 01" Stainless Steel Fluted/Thruled. Lantac constructed these Pistol Barrels from prehardened DFARS compliant 416R chromium stainless steel which is renowned for its high...