These .308 (DPMS Pattern) Bolt Carrier Groups are polished after machining and feature NiB-X Nickel Boron Baked Coating, which provides extreme durability, performance, and reliability. The Nickel Boron coating is corrosion resistant and harder than Nickel Teflon, Melonite, or Hard Chrome with a hardness of RC 72. Cycling is smoother and debris and buildup can simply be wiped free.
No Returns taken on Bolt Carrier Groups. If defective, we will arrange shipment and return to Manufacturer Representative for Inspection/repair or replacement. Void if fired with reloads or if rifle is not assembled by a Manufacturer or Gunsmith.