Storm Lake Barrel, Springfield Armory XD40 4" Service Model, 4.05" - CONVERTS .40SW to 9mm

Storm Lake Barrels are fully machined from 416 grade stainless steel bar stock and then hardened to 40-42 HRC. This drop-in Springfield Armory XD Service Model barrel will convert the XD-40 or XD-357 from .40S&W or .357SIG to 9mm.