Cobalt Kinetics CKRCB6556 RCB-6 5.56x45mm NATO Black Nitride Stainless Steel 1/2"x28 Threa $94.78 3 sellers
Cobalt Kinetics CKPROURG55616BBLK CK-Pro Urg 5.56x45mm NATO 16" Black Cerakote Receiver $1,054.38 3 sellers
Cobalt Kinetics CKPROURG556145BLK CK-Pro Urg 5.56x45mm NATO 14.50" Black Cerakote Receiver $1,064.59 3 sellers
Cobalt Kinetics CKPROURG556115BBLK CK-Pro Urg 5.56x45mm NATO 11.50" Black Cerakote Receive $1,054.38 2 sellers
Cobalt Kinetics CKPROURG556137BLK CK-Pro Urg 5.56x45mm NATO 13.70" Black Cerakote Receiver $1,064.59 2 sellers
