M16 Bolt Carrier Group C-158 Bolt—Chrome-Lined, Billet Extractor, 5.56, Manganese Phosphate This carrier is machined by Outerwild from Mil-Spec 8620 Steel with a Manganese Phosphate finish tha MSRP: Was: Now: $149.95
M16 Bolt Carrier Group—Chrome-Lined, Billet Extractor, 5.56, Manganese Phosphate This carrier is machined by Outerwild from Mil-Spec 8620 steel with a Manganese Phosphate finish tha MSRP: Was: Now: $139.98
