FailZero M16/M4 Bolt Carrier Group, EXO Nickel Boron Coated, No Hammer, Nickel Finish

The FailZero FZ-M16-NH is a fully assembled, drop-in ready M16/M4 Bolt Carrier Group coated in FailZero's patented EXO Nickel Boron technology — the most advanced bolt carrier group coating in the industry. When failure is not an option, FailZero is the undisputed standard. This BCG arrives completely assembled and ready to install directly into most mil-spec AR-15, M4, and M16 upper receivers without any fitting, lapping, or modification required.

Key Specifications

• Manufacturer: FailZero
• Coating: Patented EXO Nickel Boron (NiB), Nickel Finish
• Assembly: Fully assembled, drop-in ready
• Caliber Compatibility: 5.56x45mm NATO / .223 Remington
• Carrier Type: M16/M4 full mass carrier
• Platform: AR-15, M4, M16 mil-spec upper receivers
• Hammer Included: No

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. You must be 18 or older to shop or purchase on our website, and 21 or older to purchase ammunition or firearms. Check local laws before ordering. By ordering, you certify that you meet all federal, state, and local legal requirements. There are no returns or exchanges on armor, firearms, ammunition, or PPE. Ammunition ships UPS Ground to the lower 48 states.
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