SR-25 K6 6.5mm Creedmoor Assembled Upper Receiver

Knight’s Armament SR-25 K6 6.5 Creedmoor Assembled Upper Receiver. The SR-25 K6 is the commercial variant of the M110K6, built for rapid precision fire at mid-range with a durable upper receiver that accepts standard AR-15 components. This assembled upper includes a 16" 6.5 Creedmoor barrel, 5R cut rifling, 416R stainless steel barrel, 1:7.5 twist, and dimpling. It features the URX6 handguard with seven sides of M-LOK mounting slots, a continuous MIL-STD-1913 rail, ambidextrous controls, and a 7.62mm open brake compatible with QDC Signature Reduction Devices. Specs: Barrel 16", 5R cut rifled, 416R SS, 1:7.5 twist, dimpled; Cartridge: 6.5 Creedmoor; Finish: Matte; Receiver style: Assembled; Weight: 6.2 lb.