The KRISS Vector SBR is the smallest form factor rifle variant. The short barrel and adjustable stock allow for quick transitions when firing rapidly between multiple targets. – At the heart of the Vector SBR is the Super V System a nonlinear multilink blowback system designed to redirect recoil energy down. The Super V System in conjunction with the low bore axis reduce felt recoil and muzzle climb. Like all KRISS Vector firearms the SBR is fed with full size Glock® magazines offering cross compatibility of ammunition for a secondary or back up hand gun. – Super V Recoil Mitigation System – Glock® magazine compatibility – Low bore axis – Low profile flip sights – Full length picatinny top rail – 6 position adjustable stock