-Nickel Boron (NiB) Coating

-Corrosion and wear resistant

-Low coefficent of friction 

-Self lubricating

-C158 Bolt Material

-8620 Carrier Material

-HP and MPI Tested

-Complete 5.56 NATO/.300 Blackout Bolt Carrier Group

-Full Auto Profile

-Properly Staked Gas Key

-WPA Logo

5.56 NATO NiB Bolt Carrier Group

$149.99Price