SAA - Enhanced M16 / M4 Nickel Boron M16 Style Bolt Carrier Group (BCG) - .223/5.56
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’0Is on the market, but at a tiny fraction of the price.
Quality features include:
Enhanced Bolt Head Teeth, drastically improves weapon function
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