Strike Industries ARK G17 Barrel for GLOCK is a spiral fluted barrel that provides a union between match grade performance with unsurpassed reliability, reduction in weight without sacrificing any accuracy or durability. From the pre-hardened 416 premium grade stainless steel to extreme tolerances of exact details and contours, the barrel is corrosion resistant with high tensile strength. Proudly made in America. Mfg: Strike Industries