Product Description
SAA - AR15 / M16 Complete Nickel Boron 2-Tone (Bolt v. Carrier) M16 Style Bolt Carrier Group
A completely assembled, ready to install AR15/M16 Bolt and Carrier System. Radically improves the performance of your AR15/M16 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, Bolt, & Bolt Components. The bolt and carrier were different batches when finished and have a slightly noticeable different NiB colored finish/color (see pic, the difference is slight).
Quality features include:
- .223/5.56 Caliber
 - Nickle Boron Carrier
 - Matte Nickel Boron Finish
 - Bolt Material: 9310
 - Carrier Material: 8620
 - M16 Full Auto Style Carrier
 - Forward Assist Serrations
 - Nickel Boron Bolt, Carrier key, & bolt components
 - Mil-Spec Gas Rings
 - Mil-Spec Staked Gas Key
 - MPI Tested
 - Fully assembled
 - 300 Blackout Compatible
 - All Parts Made in the USA.