Cobalt Kinetics CK-Pro Built Upper Receiver Group 16in Barrel 5.56x45mm NATO Black. All CK-Pro URG s are expertly built by our gunsmith staff and come with 1 Duramag. Built URG s are test-fired for function before leaving out the door to the customer. Upgrade your current platform RUN COBALT the Built line includes a charging handle and bolt carrier group Specifications for Cobalt Kinetics CK-Pro Built Upper Receiver Group: Manufacturer: Cobalt Kinetics Caliber: 5.56x45mm NATO Barrel Length: 16 in Muzzle Device: Flash Hider Color: Black Gun Type: Rifle Condition: New Features of Cobalt Kinetics CK-Pro Built Upper Receiver Group:Cutting edge innovation.Military grade durability.Match grade precision.Uncompromising functionality. Package Contents: Cobalt Kinetics CK-Pro Built Upper Receiver Group Cobalt Kinetics CK-PRO-URG-556-16-B-BLK: CK-Pro Built Upper Receiver Group 16in Barrel 5.56x45mm NATO Black
CMMG Mk3 .308WIN Resolute Upper Group Receiver 16.1in Titanium Original price was: $1,099.95.$1,009.00Current price is: $1,009.00. 
CMMG Resolute Mk3 8.6 Blackout 16.1 inch Upper Receiver 1-3 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote Sniper Grey Original price was: $1,099.95.$1,009.00Current price is: $1,009.00. Cobalt Kinetics CK-Pro Built Upper Receiver Group 16in Barrel 5.56x45mm NATO Black
Original price was: $1,295.00.$1,204.35Current price is: $1,204.35.
