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FAILZERO Bolt Carrier Group AR9 9mm Nickel Boron. Fully assembled and ready to drop into most 9mm AR platform rifles and pistols. EXO Nickel Boron coating provides permanent dry lubricity, extreme durability, and increases wear and corrosion resistance; reduces friction and improves overall performance. Compatible with Glock and Colt magazine lowers.
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$176.57
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• Complete assembly ready to use
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