Engineered for consistent function across varied conditions, the FailZero FZ AR15 Bolt Carrier Group promotes reliable operation. Built with aligned components and careful tolerances, the FailZero FZ AR15 Bolt Carrier Group supports smooth mechanical behavior.\n\nDeveloped for shooters who value predictable performance during regular practice, the FailZero FZ AR15 Bolt Carrier Group offers practical handling. FailZero is renowned for its commitment to quality and innovation in firearm components.\n\n- Manufacturer: FailZero\n- Model: FZ AR15 Bolt Carrier Group\n- Product Type: Bolt Carrier Group\n- Finish: Nickel Boron\n- Unique Features: Nickel Boron treated for extreme durability and corrosion resistance\n- What's In The Box: FailZero AR15 Bolt Carrier Group, No Hammer