5.56x45mm NATO Barrels

JL Billet Replacement Barrel Nut Key Seat AR/15 Black

APF Armory AR-15 5.56 Nato Threaded Barrel w/Pinned Adjustable Gas Block 10.5in 1-7 Twist 1/2x28 Black

Dark Storm Industries DS-15 AR-15 Typhoon 5.56x45mm NATO 12.5in Upper Receiver Carbine Length 1-7 Twist 1/2x28 Cerakote Copperhead Brown

Dark Storm Industries DS-15 AR-15 Typhoon 5.56x45mm NATO 12.5in Upper Receiver Carbine Length 1-7 Twist 1/2x28 Cerakote Olive Drab Green

Dark Storm Industries DS-15 AR-15 Typhoon 5.56x45mm NATO 12.5in Upper Receiver Carbine Length 1-7 Twist 1/2x28 Cerakote FDE

Dark Storm Industries DS-15 AR-15 Typhoon 5.56x45mm NATO 10.5in Upper Receiver Carbine Length 1-7 Twist 1/2x28 Cerakote Olive Drab Green

Dark Storm Industries DS-15 AR-15 Typhoon 5.56x45mm NATO 10.5in Upper Receiver Carbine Length 1-7 Twist 1/2x28 Cerakote FDE

Dark Storm Industries DS-15 Typhoon AR-15 5.56x45mm NATO 14.5in Complete Upper Receiver Mid Length 1-7 Twist 1/2x28 Cerakote FDE

Dark Storm Industries DS-15 Typhoon AR-15 5.56x45mm NATO 14.5in Complete Upper Receiver Mid Length 1-7 Twist 1/2x28 Anodized Black

Dark Storm Industries DS-15 Typhoon AR-15 5.56x45mm NATO 14.5in Complete Upper Receiver w/Pin/ Weld Mid Length 1-7 Twist 1/2x28 Cerakote FDE

Dark Storm Industries AR-15 5.56x45mm NATO Socom 12.5in Threaded AR Barrel Carbine Length 1-7 Twist Nitride Carbine Gas 1/7 Threaded Black

Dark Storm Industries AR-15 5.56x45mm NATO Socom 16in Threaded AR Barrel 1/2-28 Threads 1-9 Twist Nitride Barrel Carbine Gas Black

Dark Storm Industries AR-15 5.56x45mm NATO HBAR 16in Threaded AR Barrel 1-9 Twist Carbine Gas 1/9 Threaded Black

Dark Storm Industries AR-15 5.56x45mm NATO Socom 16in Threaded AR Barrel Mid Length 1-7 Twist Nitride Barrel Black

Dark Storm Industries DS-15 Barrel Nut/Delta Ring Kit 5.56mm Black

M4 14.5 inch Mid Length 5.56 P

M4 16 With Extension no Flute

V Seven Match Stainless Steel AR-15 5.56mm Threaded Barrel 13.9 inch Mid Length 1-7 Twist 1/2x28 Ti 556M7T 13.9L

V Seven AR-15 5.56 Stainless Match Barrel Medium Contour 20in 556M7T 20

V Seven Lightwieght Match Barrel 5.56 18in 1-7 twist 1/2X28 Thread Standard Only No Fluting Option Stainless Steel 18 556M7T 18L

V Seven AR-15 5.56 Stainless Match Barrel Light Contour 16in 556M7T 16L

V Seven AR-15 5.56 Stainless Match Barrel Light Contour 14.5in 556M7T 14.5L

V Seven AR-15 5.56 Stainless Match Barrel Medium Contour 18in 556M7T 18

V Seven AR-15 5.56 Stainless Match Barrel Medium Contour 16in 556M7T 16