Results for 5.56x45mm NATO Upper Receivers

Q Sugar Weasel Complete Upper 5.56 13 Barrel

AERO PRECISION M4E1-T 5.56 NATO / 223 Rem 14.5" ATLAS R-ONE Complete Upper | FDE

AERO PRECISION AR15 Stripped Upper Receiver FDE

TACFIRE Complete Upper 5.56 NATO 1/2x28 Black Nitride

Aero Precision Standard Upper Receiver Assembled AR-15 Aluminum Olive Drab Green

AERO PRECISION M4E1-T NO FA Stripped Upper

Aero Precision M4E1 Standard Stripped AR-15 Upper Receiver Aluminum Flat Dark Earth

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

San Tan Tactical AR-15 Everything but the Lower Kit 5.56x45mm NATO 10.5" Barrel

San Tan Tactical AR-15 Everything but the Lower Kit 5.56x45mm NATO 11.5" Barrel

LaRue Tactical M4 Stealth 1.0 Upper Receiver Stripped Aluminum Black

Battle Arms Development WORKHORSE Complete Upper 5.56 10.5 Threaded Barrel M-LOK Handguard

Sons of Liberty Gun Works M4-L89 Upper Receiver Group 5.56 / .223 Rem 14.5 Threaded Barrel

Ar-15 Upper Reciever Assembled - Ar-15 Upper Reciever Assembled Black 5.56mm

One Horse Complete Upper 5.56 16 Barrel

Cobalt Kinetics CKPROURG556115BBLK CK-Pro Urg 5.56x45mm NATO 11.50" Black Cerakote Receiver

Aim Sports AR Complete Upper Assembly 5.56x45mm NATO 10.50 Barrel

Aim Sports AR-15 Complete Upper Assembly Kit 5.56x45mm NATO 16 Barrel

AR-STONER T-Series AR-15 Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

SanTan Tactical STT-15 Lite Pillar Upper Receiver

Cobalt Kinetics CK-Pro URG 5.56 NATO 13.7" FDE Upper Receiver Group

Cobalt Kinetics CK-Pro URG 5.56 NATO 7.5" FDE Upper Receiver Group

Noveske N4 Carry Handle Stripped Upper Receiver Black

Aim Sports Complete Upper AR-15 Kit 10.5 Barrel 5.56 NATO