Microbest MPI Phosphate Bolt Face Assembly c158

$69.99

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Carpenter 158 MPI / HP Bolt Assembly by Microbest

Includes Sprinco ejector spring , extractor spring, and oring

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  1. C

    sound of freedom – This was a great set up. I loved being able to customize the set up. Only issue I had was my own fault as a newb to building these. I used a heavy barrel in a slim hand guard. It makes adding attachments tough with clearances. Hoping someday to also get an AR10 from here.

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