Results for 223 Remington Upper Receivers & Conversion Kits

Spike s Tactical Generation 2 Billet Upper 223 Remington 556NATO Mil-Spec Barrel Nut

Battle Arms Development Workhorse AR-15 Upper 16 Barrel 5.56 NATO 15 M-LOK Handguard

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel

San Tan Tactical STT PILLAR Billet AR-15 Upper Receiver Black

Spikes Tactical Complete Upper Receiver 5.56 NATO / .223 Rem 16 Barrel

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Black Rain Ordnance Milled Upper Receiver Gen 2 Black

Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail

Daniel Defense AR-15 M4A1 FSP Complete Upper Receiver 5.56x45mm 14.5" Pinned Surefire SF3P Flash Hider

Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF

Daniel Defense DDM4v7 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Daniel Defense DDM4v7 Lightweight AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Daniel Defense M4A1 AR-15 Complete Upper Recevier 5.56x45mm NATO 14.5" Pinned Barrel

Luth-AR A2 Carry Handle Style Stripped Upper Receiver w/A2 Rear Sight Cut, Black

Radical Firearms Complete Upper Assembly .223 Rem/5.56 16 Barrel MLOK

Luth-AR AR-15 .223 Complete Upper Assembly 24 Barrel

Luth-AR A2 Carry Handle Style Assembled Upper Receiver w/A2 Rear Sight Cut, Black

Fortis Manufacturing Billet M4 Upper 5.56 NATO/.223 Rem Stripped For AR-15

Luth-AR AR-15 Lightweight Upper Receiver 5.56 NATO 16 Barrel

SanTan Tactical STT-15 Lite Pillar Upper Receiver

Noveske N4 Carry Handle Stripped Upper Receiver Black

FightLite DFX AR-15/M16/M4 .223 Remington/5.56x45mm NATO 16.25in Upper Receiver Heavy Short-Stroke Gas Piston 1-7 Twist 1/2x28 Manganese

COLT M4 UPPER BLK