Description
EXO / Nickle Boron treated metal surface eliminates the need for wet lubrication. M16/4 BCG works with all M16 / AR-15 rifles.
A completely assembled, ready to install M16/4 Bolt and Carrier System. All critical parts 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
- Extractor
- Cam Pin
- Carrier Key
- Firing Pin
