https://midstatefirearms.com/product/microbest-full-chrome-m16-bolt-carrier-only/

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High quality 8620 steel, chrome plated Bolt carrier and staked gas key.

No bolt face or cam pin or firing pin included with this one. For those parts find our complete bolt carrier groups, or BCGs.

Microbest has supplied tight tolerance parts for the firearms, electronics and medical device industries for over 64 years. Their commitment to first-time quality and on-time delivery are 
recognized by commercial and military customers around the world.