**ADD AN ALPHA 7075 CHARGING HANDLE for $14 (use discount code: CH14 after adding charging handle to cart) **
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ALPHA NiB M16 Bolt Carrier Group
Complete M16 bolt carrier group assembly
Nickle boron plated.
Plating has 52 RC hardness
MPI tested 9310 bolt
Requires very little lubrication and has a very slick surface
Easier to clean than a standard bcg.
Side staked gas key with grade 8 fasteners