Cobalt Kinetics CK-PRO Upper Receiver Group 5.56 NATO 7.5"

The Cobalt Kinetics CK-PRO is a complete AR-15 upper receiver group chambered in 5.56 NATO, built around a 7.5" barrel. This pistol-length upper features a short barrel optimized for compact builds and close-quarters applications. The upper includes a complete bolt carrier group and charging handle for immediate installation on any mil-spec lower receiver. Designed for reliable performance in SBR and pistol configurations where maneuverability is paramount.