A completely assembled, ready to install AR-15 Bolt and Carrier System. Kit includes six critical parts that are treated with EXO Technology, a revolutionary surface technology that provides permanent dry lubricity. EXO Technology radically improves the performance of your AR-15 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. This kit has been fully field tested and proven to fire over 11,000 rounds in a standard anodized upper without the use of lubrication.
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)
- EXO Coated Carrier
- EXO Coated Hammer
- Mil-Spec Gas Rings
- 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
- Available in Semi- or Full-Auto Carrier Configuration
