Precision-built Cobalt Kinetics upper receiver group in Flat Dark Earth Cerakote. Aluminum construction, test-fired for reliability before shipment.
The CK-Pro Upper Receiver Group represents Cobalt Kinetics' commitment to delivering performance-grade components for shooters who demand more from their AR platform rifles.
These upper receiver groups are purpose-built for end users seeking to upgrade existing AR rifles with the same performance advantages found in Cobalt Kinetics' complete platforms. Each unit features:
Every CK-Pro URG undergoes functional testing at the factory. This commitment to pre-delivery inspection means you receive a component that has already proven itself reliable—a significant advantage over untested receivers.
Whether you're building a precision rifle, upgrading an existing platform, or seeking a proven upper receiver for a specialized role, the CK-Pro URG delivers the performance standards Cobalt Kinetics is known for throughout the shooting sports community.