Barrel

Combat Armory AR9 4.5" 9mm 9x19 1:10 1/2x28 Barrel 416 Stainless Steel Gold

Combat Armory Manufacturing AR9 4.5" 9mm 9x19 1:10 1/2x28 Barrel Barrel Coating: Gold Titanium

Combat Armory AR9 4.5" 9mm 9x19 1:10 1/2x28 Barrel 416 Stainless Steel Black

Combat Armory Manufacturing AR9 4.5" 9mm 9x19 1:10 1/2x28 Barrel Barrel Coating Black Nitrite

Combat Armory AR9 4.5" 9mm 9x19 1:10 1/2x28 Barrel 416 Stainless Steel

Combat Armory Manufacturing AR9 4.5" 9mm 9x19 1:10 1/2x28 Barrel Barrel Coating Naked 416 Stai

Combat Armory Barrel 16" 4150 M4 Contour Barrel 5.56 NATO Carbine Length Gas System w/ 1:8 Twist

Product Specs Length 16 Profile Contour Twist 1:7 Finish Black Nitrde Material 4150 Chrome Moly Vana

Combat Armory 7.5" 5.56 NATO 1:7 Pistol Length AR-15 Barrel

Combat Armory Manufacturing  Barrel Coating Parkerized Barrel Contour M4 Barrel Length 7.5