Upper Parts

Gas Tube Roll Pin

+ 2 reviews

S.W.O.R.D. International

M-16 Style Bolt Carrier Group (BCG)

New Frontier Armory

0.625" (5/8") Crush Washer -- .30, .40, .45, 7.62x51 BBLs

+ 1 reviews

New Frontier Armory

AR-9 Standard 9mm BCG (for Glock, Colt, and MP5 Magazine AR Compatible)

+ 6 reviews

New Frontier Armory

0.578" Crush Washer -- ONLY fits .578" threads

New Frontier Armory

AR-40/10 Standard .40 S&W / 10mm BCG (Glock Style Magazine AR Compatible)

+ 3 reviews

New Frontier Armory

AR-15 Firing Pin Retaining Pin

New Frontier Armory

0.5" (1/2") Crush Washer -- 5.56mm / .223 BBLs

New Frontier Armory

Spare Firing Pin Spring - Pistol Caliber

New Frontier Armory

Flash Hider 7.62/.30 5/8x24

New Frontier Armory

AR-45 Standard 45 ACP BCG (Glock & Colt Style Magazine AR Compatible)

New Frontier Armory

AR-15 Charging Handle

+ 1 reviews