Super V Recoil Mitigation System. Unique operating system redirects energy down and away from the shooter which eliminates felt recoil and muzzle climb. Toolless caliber interchangeability. Glock magazine compatible. Ergonomic with a redesigned trigger, a short throw ambidextrous safety lever and a more comfortable pistol grip. Features a short, threaded, 5.5″ threaded barrel. Rear quick detach sling point assists with carrying the firearm. Standard equipment on the Vector SDP are the Magpul MBUS sights, full length picatinny top rail and a Glock Magazine.