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Spike’s Tactical AR-15 5.56 Bolt Carrier Group – Nickel Boron
Spike’s Tactical Bolt Carrier GroupNIB Finish5.56NATOFeatures:Nickel Boron Coating Inside and Out (Bolt, Carrier, and Gas Key)Laser Engraved with ST Spider Logo
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Spike’s Tactical M16 Part – Silver
Spike’s Tactical Bolt Carrier GroupM16LightweightHPT/MPI BoltNickel Boron FinishFeatures:Nickel Boron Coating Inside and Out (Bolt, Carrier, and Gas Key)Laser Engraved with ST Spider LogoLightweight