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FailZero EXO-coated 6.8 SPC bolt carrier group. Nickel Boron coated BCG designed for Mil-Spec AR-15 uppers chambered in 6.8 SPC. EXO Nickel Boron coating provides dry lubricity, durability, and corrosion resistance, enabling easier cleaning and improved reliability. Compatible with standard Mil-Spec upper receivers in 6.8 SPC.
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$140.70
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$140.03
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