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- The FailZero AR-15 Bolt Carrier Group comes fully assembled and ready to drop into most Mil-Spec upper receivers.
- All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability, and increases wear and corrosion resistance.
- EXO Nickel Boron makes for easy cleanup and will improve the performance of your rifle.
- Caliber: 6mm ARC; Platform: AR; Material: Steel; Finish: EXO Nickel Boron
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$158.23
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$144.51
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$189.99
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