FailZero Bolt Carrier Group EXO Coated Fits M16/4 Nickel Finish FZ-M164-01-SAH

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR-15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.

Features:

Nickel boron treated
Extreme durability
Dry lubricity
Corrosion resistant

Specifications for FailZero M16/M4 Bolt Carrier Group (BCG) w/ Hammer:
Manufacturer: FailZero
Color: EXO
Finish: Nickel Boron
Gun Make: AR Platform
Gun Model: M16, M4, AR-15
Condition: New
Bolt Material: Steel
Carrier Material: 8620 Steel