Fail Zero M16/4 Basic Kit

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:

• 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
• Chrome Lined Gas Key
• Gas Key Hardened to USGI Specifications
• Grade 8 Hardened Fasteners
• Blue Extractor Insert
• Mil-Spec Staked Gas Key
• Firing Pin and retainer

(It is the buyers responsibilty to observe all automatic weapon firearm laws)