Cobalt Kinetics CK-PRO Complete Upper Receiver Group 5.56 NATO 9.8" CKG

The Cobalt Kinetics CK-PRO is a complete AR-15 upper receiver group chambered in 5.56 NATO, built around a 9.8" barrel. This compact upper receiver group features precision engineering and quality construction typical of Cobalt Kinetics firearms. The 9.8" barrel length provides excellent maneuverability while maintaining ballistic performance for close to medium-range applications. Designed for reliable operation with standard AR-15 lower receivers.