“Blem” Microbest M16 Full Chrome Bolt Carrier Group – MPI , HPT , OCKS, Sprinco, Phos Extractor
This Microbest bolt carrier group is made from Mil-Spec 8620 steel, fully chrome-plated, and includes Mil-Spec components like extractor and gas key.
- The description claims the bolt carrier group is fully functional.
- The description claims the bolt carrier group includes OCKS gas key screws and Sprinco ejector and extractor springs.
- The description claims the Microbest MPI bolts are individually high pressure tested.
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