FailZero AR-15 9mm Bolt (Black Nitride)

These Fail Zero BCGs come pre-assembled and are ready to be seamlessly dropped into your mil-spec upper receiver. What sets Fail Zero apart from other manufacturers is the Salt Bath Nitride finish applied to all critical components, providing exceptional durability and enhancing wear and corrosion resistance.

Features of the Fail Zero FZ-9MM-NITRIDE include:

• Complete Bolt Carrier Group
• Designed for 9mm Luger
• Compatible with Both Glock/Colt Style Magazines
• Crafted from 8620 Heat-Treated AR Carrier
• Staked Carrier Guide (Gas Key)
• Equipped with a 5.56 Extractor
• Chrome Firing Pin
• Enhanced Black Nitride (Salt Bath Nitride Finish) Coating

Please note that the Fail Zero BCG does not include the trigger or hammer. It is compatible with AR-9 uppers (AR-15 chambered in 9mm Luger) designed to work with either Glock or Colt SMG style magazines.