AR Parts in 5.56x45mm NATO

Mean Arms AR-15 Feed Ramp Black

WMD Guns 5.56 NATO Threaded AR Barrel 16in GP M4 Mid Length 1-7 1/2x28 Nitride Black 556B16M1-7 GP

WMD Guns AR-15 Ejection Port Cover Assembly 5.56 NiB-X Nickel

WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Firehouse Red

WMD Guns Barrel Extension 5.56 NiB-X Stainless Steel

WMD Guns Charging Handle Assembly AR-15/M16 NiB-X OD Green 1-NIBXCH-OD Green

WMD Guns Charging Handle Assembly AR-15/M16 NiB-X Flat Dark Earth 1-NIBXCH-Flat Dark Earth

WMD Guns Charging Handle Assembly AR-15/M16 NiB-X Black

I.O. INC M215MICRO QR-7 5.56 7IN 30RD A

LWRC International LWRC IC-PSD 5.56mm NATO 8.5" 1:7" 1/2x28 Bbl Tungsten Grey Personal Security Detail Complete Upper Receiver ICPSDU5TG8

LWRC International LWRC IC-A5 5.56mm NATO 14.7" 1:7" 1/2x28 Tungsten Grey Complete Upper Receiver ICA5U5TG14S

LWRC International LWRC IC-A5 5.56mm NATO 14.7" 1:7" P&W Bbl Tungsten Grey Complete Upper Receiver ICA5U5TG14P

LWRC International LWRC IC-SPR 5.56mm NATO 16.1" 1:7" 1/2x28 Bbl Tungsten Grey Complete Upper Receiver ICU5TG16SPR

LWRC International LWRC IC-SPR 5.56mm NATO 14.7" 1:7" P&W Bbl Tungsten Grey Complete Upper Receiver ICU5TG14PSPR

Centurion Arms Recce Barrel 14.5in Blasted Stainless NSN 9305.20.9000

LWRC International LWRC Advanced Direct Impingement 5.56mm NATO Bolt Carrier 200-0078A01

WMD Guns AR-15 Threaded Stripped Upper Receiver Forged NiB-X Silver

WMD Guns AR-15 Ejection Port Cover Assembly 5.56 Nitromet Black

WMD Guns Accent Build Kit 5.56 Rose Gold 1-ACCKIT-Rose Gold

WMD Guns Accent Build Kit 5.56 Titanium Nitride Gold

WMD Guns Accent Build Kit 5.56 Nitromet Black

HM Defense HMBBCGAR15 HMB 223 Rem/5.56 NATO Bolt Carrier Groupt 4340 Hardened Steel Cam Pint 9130 Steel w/Black Nitride Finish

LWRC International LWRC IC-A5 5.56mm NATO 14.7" 1:7" P&W Bbl FDE Complete Upper Receiver ICA5U5CK14P

Watchtower Firearms Dragon Slayer Brake 5.56 DLC Black