Results for 5.56x45mm NATO SBR Uppers

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Flat Dark Earth

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Black

Daniel Defense DDM4v7 S AR-15 Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

Daniel Defense DD4 RIII S AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel Flat Dark Earth

Geissele USASOC URG-I Near Clone AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 11.5" Cold Hammer Forged Barrel M-LOK Black

Battle Arms Workhorse AR-15 Pistol Barreled Upper Receiver 5.56x45mm NATO 9.5" Barrel

FightLite Industries MCR Dual Feed Upper 5.56 12.5 Barrel

Colt AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

Geissele USASOC URG-I Near Clone AR-15 Pistol Complete Upper Receiver Improved Complete 5.56x45mm NATO 10.3" Barrel with Surefire SF4P

Midwest Industries AR-15 Pistol Barreled Upper Receiver 5.56x45mm NATO 10.5" Barrel

Colt AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 14.5" Barrel

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 11.5" Cold Hammer Forged Barrel M-LOK DDC

Maxim Defense PDX AR-15 Complete Upper Receiver 5.56x45mm 5.5" Barrel Black

Maxim Defense PDX AR-15 Complete Upper Receiver 5.56x45mm 5.5" Barrel Arid

Colt AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 14.5" Barrel CMR M-LOK Handguard

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 12.5" Cold Hammer Forged Barrel M-LOK DDC

Noveske AR-15 N4 Carry Handle OG Upper Receiver Assembly 5.56x45mm NATO 12.5" Barrel NSR-10.75 M-LOK Handguard Black

Luth-AR 11.50" Classic Upper 5.56x45mm 1:7 Carbine-Length w/BCG&CH, Black

Noveske AR-15 N4 Shorty Upper Reciever Assembly 5.56x45mm 10.5" Barrel NSR-9.75 M-LOK Handguard Black

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 14.5" Government Contour 1:7" Twist QPQ

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 13.9" Gunner Contour 1:8" Twist Nitride

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 12.5" Gunner Contour 1:8" Twist Nitride

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 10.5" Pencil Contour 1:8" Twist Black Nitride