Product Description
Forged M16 Upper Receiver from USGI Contractor, Model 604 "Slick Side", Black Type 3 Hard coat Mil Spec Anodized 7075 T6 does not have M4 Feed Ramps, interior is dry film lube coated.
Forged M16 Upper Receiver from USGI Contractor, Model 604 "Slick Side", Black Type 3 Hard coat Mil Spec Anodized 7075 T6 does not have M4 Feed Ramps, interior is dry film lube coated.