223 Remington Upper Receivers

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

SIG SAUER MCX 5.56 NATO 10.3" - FDE

Radian Weapons Model 1 Upper/Handguard Set 15.5

Faxon AR-15 ARAK-21 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

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

LanTac Raven Billet Receiver Set 5.56 / .223 Rem

Odin Works OTR-15 .223 Remington AR Lower, Black - OTR15ReceiverSet

Radian Weapons R0427 Model 1 Multi Caliber N/A Cerakote Ambidextrous

Radian Weapons Model 1 Builder Kit Black 5.56

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

Fortis Manufacturing License Gen 2 Receiver Set 5.56 NATO / .223 Rem Ambidextrous

Spikes Tactical Spider Receiver Set

Radian Weapons AX556 Builder Kit Radian Gray Multi-Cal

Radian Weapons Model 1 Builder Kit Flat Dark Earth 5.56

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

Wilson Combat AR-15 Receiver Set Anodized Black Closed Trigger Guard

Radian Weapons Model 1 Builder Kit Gray 5.56 14 Handguard

Radian Weapons R0404 Multi Caliber N/A Gray Cerakote Billet Upper Lower Set

Faxon FF-15 X-TRA Lite AR-15 Stripped Receiver Set Titanium Cerakote

Faxon FF-15 X-TRA Lite AR-15 Stripped Receiver Set Anodized Black

One Horse HBAR Complete Upper 5.56 / .223 Rem 16 Barrel 15 M-LOK Handguard

Radian Weapons Model 1 Builder Kit OD Green 5.56 14 MLOK Handguard

LanTac Raven Stripped Upper/Lower Receiver Set Multi-Cal

RISE BK-160 16 300BLK