KRISS USA, Inc VECTOR CRB, Gen II, Semi-automatic Rifle, 10MM, 16 Threaded Barrel, Matte Finish, Black, KRISS Stock, Back-Up Front & Rear Sight, 33 Rounds, 1 Magazine KV10-CBL20 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 and helps make accurate sequential shots. An extremely low bore axis compliments the KRISS Super V Recoil Mitigation System by aligning the barrel with the user's arm.