Swenson Glock 17 Gen 3 slides are precision machined from stainless steel for a drop-in fit. Slides are shipped in a stripped configuration with no internal components, ready for standard factory replacement parts or a variety of aftermarket performance parts (including sights). These slides also feature forward cocking serrations and a snag-free bullnose profile. Part may require fitting to your specific gun. Features:Forward cocking serrationsPrecision machined DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.