223 Remington Upper Receivers & Conversion Kits

Luth-AR AR-15 A1 Upper Receiver Assembled

Sharps Bros Assembled AR-15 Billet Upper Receiver Aluminum Black

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

Radian Weapons Model 1 Upper/Handguard Set 8.5

Luth-AR A3 Upper Receiver Assembled

Luth-AR A1 Stripped Upper Receiver With M4 Feed Ramp

Luth-AR A2 Upper Receiver 5.56 / .223 Rem

Luth-Ar Slick Side A1 5.56 NATO Ar-15 Upper Assembled Receiver Anodized

Luth-ar UR-01-E3-S A1 Stripped Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver

Black Rain Ordnance Milled Upper Receiver Gen 2 Black

Luth-Ar M16 A1 5.56 NATO AR-15 Assembled Upper Receiver

Luth-Ar M16 A1 Stripped Upper Receiver AR-15 5.56 NATO

Noveske N4 Chainsaw Stripped Upper Receiver AR-15 Black

Noveske N4 Carry Handle Stripped Upper Receiver Black

Colt Assembled AR-15 Upper Receiver Aluminum Black