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Description
Titanium Nitride / Gold M-16 Ar15 bolt carrier group by Microbest.
Titanium Nitride (Gold)
- C158 Bolt
- 8620 Carrier
- Sprinco ejector spring
- Sprinco extractor spring
- High-pressure air tested
Titanium Nitride / Gold M-16 Ar15 bolt carrier group by Microbest.
Titanium Nitride (Gold)
- C158 Bolt
- 8620 Carrier
- Sprinco ejector spring
- Sprinco extractor spring
- High-pressure air tested
I haven't purchased this exact item, but from the provided pictures, and other pictures/comments on the Internet, these do not appear to be "polished"....just TiN coated. If they had been polished prior to coating, they would have a gold MIRROR finish. $159 hardly seems like a deal.