- Complete M16 bolt carrier group assembly
- The QPQ nitride/melonite treatment hardends the surface to 70 RC and reduces friction as well as adding corrosion resistance inside and out
- Superior to chrome lined and parkerized bolt carrier groups
- MPI tested and marked. 9310 bolt nitride/melonite treated with additional cryo freeze for extra strength
- Requires very little lubrication and has a very slick surface
- Corrosion resistance inside and out
- Side staked gas key with grade 8 fasteners
4 Reviews Hide Reviews Show Reviews
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Good price , great BCG
Nice bolt, smooth, staked properly, function great. Good price. Worth more
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PREMIUM NITRIDE BDG
AFTER LUBING , RUNS LIKE A SEWING MACHINE.
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BCG
Everything looks and fits great . Need to find sometime to put a few magazines though it . But if looks and feel are an indication , I'm sure I'll be pleased .
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BCG
Everything looks and fits great . Need to find sometime to put a few magazines though it . But if looks and feel are an indication , I'm sure I'll be pleased .
