Cobalt Kinetics CK PRO Upper Receiver Group 5.56 NATO 13.7" FDE

The Cobalt Kinetics CK PRO is a complete AR-15 upper receiver group chambered in 5.56 NATO, built around a 13.7" barrel. This upper features precision engineering and quality construction designed for performance and reliability. The flat dark earth (FDE) finish provides durability and a distinctive appearance. This upper receiver group comes ready to install on any mil-spec AR-15 lower receiver. The 13.7" barrel length offers a balanced profile ideal for versatile applications, providing excellent accuracy while maintaining maneuverability. Threaded muzzle accepts standard AR-15 muzzle devices and accessories.