Results for Colt 5.56x45mm NATO Conversion Kits

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

Colt Firearms LE6933EPRII PRO Complete Upper 5.56 11.5 Threaded Barrel

Colt Firearms LE6933 Complete Upper 5.56 / .223 Rem 11.5 Threaded Barrel w/ Surefire SF3 Flash Hider

Colt Firearms LE6933 Enhanced Patrol Rifle II Complete Upper 5.56 11.5 Threaded Barrel w/ HUXWRX Flash Hider

Colt LE6940P 5.56mm 16.1" Bbl Piston One Piece Matte Black Upper Receiver Conversion Kit LE6940PCK

Colt M4 to M5 PDW 5.56 x 45mm 10.3" Heavy Bbl Matte Black Conversion Kit CM556-10H-CK

Colt M4 to M5 Commando 5.56 x 45mm, 11.5" Heavy Bbl Matte Black Conversion Kit CM556-11H-CK

Colt M4 to M5 Carbine 5.56 x 45mm 14.5" Heavy Bbl Matte Black Conversion Kit CM556-14H-CK

Colt M4 to M5 Carbine 5.56 X 45mm 16.1" Bbl Matte Black Conversion Kit CM556-16-CK

Colt LE6933EPRII-PRO 5.56mm 11.5" Bbl Matte Black Metal MBUS Sights HuxWerks Muzzle Device Upper Receiver Conversion Kit LE6933-EPRII-PRO-HUX-CK

Colt LE6933EPRII-SF3-CK 5.56mm 11.5" Bbl Matte Black MBUS Sights Surefire Muzzle Device Upper Receiver Conversion Kit LE6933-EPRII-SF3-CK