FailZero M16/M4 Bolt Carrier Group For AR-15 – Nickel Boron, No Hammer, Matte Black (FZ-M164-01-NH-MATTE)

• Bolt carrier group for M16 M4 and AR-15 platform rifles
• EXO nickel boron coating provides dry lubricity and corrosion resistance
• Fully assembled design ready for drop in installation in compatible uppers
• Matte black finish carrier with durable surface treatment
• Reduces friction during operation for improved reliability and performance
• Compatible with mil spec M16 M4 and AR-15 upper receiver assemblies

The FailZero M16 M4 Bolt Carrier Group No Hammer EXO Nickel Boron Matte is a bolt carrier group designed for cycling and chambering ammunition in M16, M4, and AR-15 rifles.

This FailZero M16 M4 Bolt Carrier Group is fully assembled and intended for installation in most mil-spec M16, M4, or AR15 upper receivers. It features EXO Nickel Boron coating on internal components with a matte black exterior finish. The bolt carrier group is configured without a hammer and is categorized under bolts and bolt carrier groups. This product is used for standard rifle operation in range or field use. In standard configurations, the FailZero bolt carrier group includes pre-installed internal components for compatibility with common platforms. The Nickel Boron treated surfaces provide defined corrosion resistance and consistent material properties during repeated cycling.