KRISS USA, Inc VECTOR SDP, Gen II, Pistol, Semi-automatic, 9MM, 5.5 Barrel, Threaded Barrel, Polymer, Matte Finish, Flat Dark Earth, Flip Up Sights, 40 Rounds, 1 Magazine, Quick Detach Sling Swivel KV90-PFD20 The KRISS Super V Recoil Mitigation System uses an innovative nonlinear operating system that revectors energy down and away from the shooter's shoulder to dramatically reduce felt recoil and muzzle climb. This system allows the shooter to recover faster, for quicker and more accurate sequential shots. The KRISS Vector is designed to use the reliable and ubiquitous standard Glock magazines.