Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 16″ Receiver

The Cobalt Kinetics CK-Pro Upper Receiver Group (URG) is designed to upgrade existing AR platforms to the same performance features found in completed builds. Each CK‑Pro URG is assembled by gunsmith staff and finished in Black Cerakote. Built URGs are function-tested for reliable operation before leaving the facility.

Key Specifications

• The manufacturer is Cobalt Kinetics.
• The model is CK-Pro Urg.
• The caliber is .223 REM/5.56 NATO.
• The barrel measures 16".
• The finish is Black Cerakote.
• This item is an Upper Receiver Group (URG).
• All CK-Pro URGs are function-tested prior to shipment.
• The product is intended to upgrade existing AR platforms.

Built and inspected by experienced gunsmiths, the CK-Pro Urg combines factory-level assembly with a durable Black Cerakote finish for long-term service. Its 16" barrel length and common 5.56/.223 chambering make it suitable for users looking to refresh or enhance an AR platform with a professionally assembled upper receiver group.