Colt

Colt LE6920 Upper Reciever Kit 5.56 Nato 16.1 in. Black - LE6920CK

Colt

Colt LE6933 Upper Reciever Kit 5.56 Nato 11.5 in. Black - LE6933CK

Colt

Colt LE6921 Upper Reciever Kit 5.56 Nato 14.5 in. Black - LE6921CK

Colt

Colt LE6920EPRII Upper Reciever Kit 5.56 Nato 16.1 in. Black w/Sights - LE6920-EPRII-CK

Colt

Colt LE6933EPRII Upper Reciever Kit 5.56 Nato 11.5 in. Black w/Sights - LE6933-EPRII-CK

Colt

Colt LE6920EPRII-Pro Upper Reciever Kit 5.56 Nato 16.1 in. Black w/Sights - LE6920-EPRII-PRO-CK

Colt

Colt LE6921EPR Upper Reciever Kit 5.56 Nato 14.5 in. Black - LE6921EPR-CK

Colt

Colt LE6933EPRII-Pro Upper Reciever Kit 5.56 Nato 11.5 in. Black w/Sights - LE6933-EPRII-PRO-CK

Colt

Colt M4 to M5 Carbine Upper Reciever Kit 5.56 Nato 16.1 in. Heavy Barrel Black - CM556-16-CK

Colt

Colt M4 to M5 Carbine Upper Reciever Kit 5.56 Nato 14.5 in. Heavy Barrel Black - CM556-14H-CK

Colt

Colt M4 to M5 Commando Upper Reciever Kit 5.56 Nato 11.5 in. Heavy Barrel Black - CM556-11H-CK

Colt

Colt M4 to M5 PDW Upper Reciever Kit 5.56 Nato 10.3 in. Heavy Barrel Black - CM556-10H-CK

Colt