Product Description
Fail Zero M16/M4 Basic Kit - Nickel Boron M16 Style Bolt Carrier Group & AR-15 Style Hammer
A completely assembled, ready to install M16/4 Bolt and Carrier System. Kit includes six critical parts that are treated with EXO Technology, a revolutionary surface technology that provides permanent dry lubricity, radically improves the performance of your M16/4 and eliminates the need to apply oil or grease to treated parts for the life of the weapon. Treated parts include; Bolt, Bolt Carrier, Hammer, Extractor, Cam Pin, Carrier Key. Quality features include:
- .223/5.56 Caliber
- Case Hardened, Shot Peened and MPI Bolt (Magnetic Particle Inspected)
- EXO Coated Bolt (40% more wear resistant than Chrome with a very Low Coefficient of Friction)
- Mil-Spec Gas Rings
- EXO Coated Carrier
- Gas Key with EXO Coated Exterior and Chrome Lined ID. Hardened to USGI Specifications
- Mil-Spec Staked Gas Key
- Grade 8 Hardened Fasteners
- Black Extractor Insert
- Firing Pin and retainer
