ZRO Delta Modulus Extended Nitride Barrel

DIAMONDBACK FIREARMS Barrel 9mm Luger 4.5" Black Nitride

VKTR Industries VK-1 Upper 10.5in Nitride Barrel 1 7 Twist 5.56 NATO AR Compatible

TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel - 14.5"

T6 Firearms T6 Goat Series Diablo Tcs .223 Wylde 16 Inch Nitride Barrel 7075 T6 Aluminum Armor Cerakote Finish

GUNTEC AR9 BARREL 9MM 5.5" - 1:10 TWIST BLACK NITRIDE

TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel - 16"

Faxon Firearms Blowback Button Rifled Pistol Caliber Taper Barrel 9mm 16", Black