Fobus Evolution Holsters are closely molded to fit the handgun, offering minimal bulk in a polymer holster. Polymer holsters offer fast access and durable protection. Carefully molded polymer bodies mean excellent retention without the need for an external safety strap. A retention adjustment screw allows user to select level of retention.FeaturesRetention adjustment screw allows user to select level of retention One piece holster body construction Protective sight channelNote: For Glock model holsters the fit is for Gen 1-4 unless specifically noted Gen 5 compatibility 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.