Upper Parts

Gas Tube Roll Pin

+ 2 reviews

New Frontier Armory

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

+ 1 reviews

New Frontier Armory

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

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

Flash Hider 7.62/.30 5/8x24

New Frontier Armory

AR-15 Charging Handle

+ 1 reviews

Flash Hider .45/.40/10mm 5/8x24

+ 2 reviews

AR-10 Upper Completion Kit

New Frontier Armory

Flash Hider 5.56mm and 9mm, 1/2x28

LRBHO Hardware Kit

+ 2 reviews

AR-10 Charging Handle