A completely assembled, ready to install M16/4 Bolt and Carrier System. Precision-engineered sloped bolt head teeth eliminate binding, radically improve the performance of your M16 / AR-15, and eliminate the need to apply oil or grease to treated parts for the life of the weapon. Nickel Boron treated parts include the bolt carrier.
Comparable to similar BCGs on the market, but at a fraction of the price.
Quality features include:
- Enhanced Bolt Head Teeth, drastically improves weapon function
- .223/5.56 Caliber
- Nickle Boron Carrier w/ Forward Assist Serrations
- Matte Nickle Boron Finish
- Bolt Material: 9310
- Carrier Material: 8620
- M16 Full Auto Style Carrier
- Phosphate Bolt, Carrier key, & bolt components
- Mil-Spec Gas Rings
- Chrome Lined Interior, Gas Key, Hardened to USGI Specifications
- Mil-Spec Staked Gas Key
- Black Extractor Insert
- Standard firing pin, cam pin, and retainer
- Fully assembled
- 300 Blackout Compatible
- All Parts Made in the USA.