Results for Colt 5.56x45mm NATO Upper Receivers

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

Colt Firearms LE6920CK-NHG Upper Kit Black 5.56NATO/.223Rem 16-inch

Colt Firearms LE6933EPRII Complete Upper 5.56 11.5 Threaded Barrel

Colt Firearms LE6920EPRII Complete Upper 5.56 16.1 Barrel

Colt Firearms LE6944PCK Frame 5.56 / .223 Rem 14.5 Threaded Barrel

Colt IAR 5.56 Upper Receiver Assembly 16" Barrel

Colt LE6920 5.56 M4 Upper Receiver Assembly - No HG's

Colt LE6945 CQB 5.56 Monolithic Upper Receiver Assembly

Colt LE6933-EPR 5.56 M4 Commando Upper Receiver Assembly

Colt LE6930 R0921CQB 5.56 M4 Upper Receiver Assembly

Colt LE6933 5.56 M4 Commando Upper Receiver Assembly

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

Colt AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

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

Colt Monolithic AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Colt Firearms LE6920 Complete Upper 5.56 NATO / .223 Rem 16 Barrel

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

Colt Firearms LE6933 Complete Upper 5.56 NATO / .223 Rem 11.5 Barrel

Colt Monolithic AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel

Colt Firearms LE6920EPRII PRO Complete Upper 5.56 16.1 Threaded Barrel

Colt Firearms M4 Stripped Upper 5.56 16.1 Barrel

Colt Firearms LE6933EPRII PRO Complete Upper 5.56 11.5 Threaded Barrel

Colt AR-15 Complete Upper Receiver 5.56x45mm NATO 20" Barrel Magpul MOE Handguard

Colt Firearms LE6921CK-NHG Upper Kit Black 5.56 NATO 14.5-inch