Ar15/,16 Bolt Carrier Groups - M16 Nibx Bolt Carrier Group

Ar15/,16 Bolt Carrier Groups - M16 Nibx Bolt Carrier Group

Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to the...

at Brownells

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