Fail Zero EXO AR9 Bolt Carrier Group 9mm Nickel Boron

Enhance your 9mm AR platform with the Fail Zero EXO AR9 Bolt Carrier Group. Featuring EXO Nickel Boron technology, this BCG offers unmatched dry lubricity, extreme durability, and excellent wear and corrosion resistance. Compatible with both Glock and Colt magazine lowers, it includes a staked carrier guide, 8620 heat-treated AR carrier, and a chrome firing pin. Upgrade your firearm’s performance with this top-tier bolt carrier group.