A completely assembled, ready to install M16/4 Bolt and Carrier System. Precision engineered sloped bolt head teeth, eliminates binding and radically improves the performance of your M16 / AR-15 and eliminates the need to apply oil or grease to treated parts for the life of the weapon. Nickel Boron treated parts include: Bolt Carrier.
Compare to similar BCG?s on the market, but at a tiny 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.