The Hogue Magazine Extension extends below the magazine providing an additional finger groove for full hand grip. Made from long lasting durable thermoplastic elastomer that ages gracefully for years of service, the mag extension is textured with Hogue's famous Cobblestone pattern for increased comfort and grip. FeaturesProtects magazine during quick reload ground dropsSimple single screw installation (magazine not included)Precision fit for SIG SAUER P365 & P365-380 with HandALL Beavertail Grip Sleeve