Blackhawk’s Serpa Sportster Holster is designed for civilian concealed carry or range use. Constructed of injection molded polymer for long-lasting durability with the patented Auto-Lock technology. Features- passive retention detent adjustment screw; speed-cut design for rapid draw, target acquisition and re-holster; paddle platform and the “L” shaped button which is optimized for security. Fits Sig 220/225/226/228/229, MK25 w/ or w/o rail (not ES).