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FailZero M16/M4 Bolt Carrier Group – Black
FailZero M16/M4 Bolt Carrier GroupNo HammerBlack Nitride CoatedBlack FinishFeatures:Precise ManufacturingLong Term ReliabilityDurable Construction
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FailZero M16/M4 Bolt Carrier Group – Black
FailZero M16/M4 Bolt Carrier GroupNo HammerEXO Nickel Boron CoatedBlack FinishFeatures:Nickel Boron treatedExtreme durabilityDry lubricityCorrosion resistant
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FailZero M16/M4 Bolt Carrier Group – Black
FailZero M16/M4 Bolt Carrier GroupNo HammerEXO Nickel Boron CoatedMatte FinishFeatures:Nickel Boron treatedExtreme durabilityDry lubricityCorrosion resistant