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M16 Bolt Carrier Group Complete BCG For .223 / 5.56 / 300 Blackout
M-16 Mil-Spec Bolt Carrier Group Features:
- Bolt Carrier Group Fully Assembled including the firing pin, cam pin, gas key, bolt carrier, and bolt.
- M16 Bolt is made Carpenter 158 Mil-spec from Major Military Contractor that provides for companies such as SIG, Noveski, and Spikes.
- Gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec.
- M-16 Bolt carrier is 8620 hardened steel and is phosphated outside and chrome lined inside.
- Chrome Lined Carrier, Chrome Lined Gas Key, Gas Key Hardened to USGI Specifications, Gas Key Grade 8 Hardened Fasteners, Gas Key Staked Per Mil-Spec, Tool Steel Extractor, Extractor Spring.