Underground Tactical Arms Coupon Codes, Discounts and Deals

(1 deals total)

Complete assembled Black Nitride bolt carier group for use in your AR-15/M16. All of our carriers are milled from 8620 steel and coated with Black Nitride which is the highest quality performance coating on the market today. Black Nitride is a proprietary low friction coating that strengthens the metal surface, and improves reliability and resistance to wear. Bolt machined from certified 9310 AQ (aircraft quality) steel Carrier machined from 8620 steel coated in Black Nitride Bolt has a Matte black; phosphate finish Cam pin coated in Black Nitride