Swenson Glock 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, a snag-free bullnose profile, and are cut to fit a Vortex Venom Red Dot Sight, or the Burris FastFire III.Note: When using a red dot sight suppressor height sights are recommended for co-witnessing. 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.