Two as below:
Used complete good semi carrier group with Colt MPC Bolt, and New ARMS #40 Back up sight $99 per set.
Have an upper w/o BCG or sight you need to complete?
PP or USPS MO
Two as below:
Used complete good semi carrier group with Colt MPC Bolt, and New ARMS #40 Back up sight $99 per set.
Have an upper w/o BCG or sight you need to complete?
PP or USPS MO