The Knight's Armament 6.5mm Creedmoor Precision Rifle Upper Receiver Kit was created to provide SR-25 owners with drop-on cutting edge long-range performance. Whether on duty or in competition, 6.5mm Creedmoor delivers significantly improved ballistic coefficient and muzzle velocity with reduced recoil, resulting in simplified solutions at mid-range and more consistent performance at long range. The 22" barrel strikes the perfect balance for across the board ammunition SD leveling and maneuverability. An 18" long URX6 handguard provides ample space for in-line Night Vision, targeting devices, and range-finders while protecting the precision barrel. The 7.62 QDC Open Brak Mfg: Knights Armament