The Cobalt Kinetics CK-Pro Upper Receiver Groups were designed for end users that want to upgrade their current ARs to have the same performance edge featured in completed platforms. All CK-Pro URGs are expertly built by gunsmith staff. Built URGs are test-fired for function before leaving out the door to the customer.
- Caliber:
- 5.56x45mm NATO
- Receiver Finish:
- Black Cerakote
- Barrel Length:
- 13.70"
- FireArm:
- No
- Requires FFL:
- False
