The Kriss USA Kriss Vector Gen II CRB features the innovative KRISS Super V recoil mitigation system. This innovative nonlinear operating system re-vectors energy down and away from the shooters shoulder in order to dramatically reduce felt recoil and muzzle climb simultaneously. You will immediately notice that you will have the ability to recover faster for quicker and more accurate sequential shot strings. In addition to having a futuristic look the Vector Gen II supports tool-less caliber interchangeability and GLOCK magazine interchangeability in order to provide you with maximum modularity and flexibility. Moreover the Vector Gen II features a full length picatinny rail perfect for mounting any of your favorite optics, lights, lasers or any other picatinny compatible accessories.