HK MR556 A4 AR-15 Complete Upper Receiver 223/5.56 Upper 51000385

UPC:

642230270220

MPN:

51000385

Caliber:

223/5.56

Manufacturer:

Heckler & Koch

Version:

MR556 A4 AR-15 Complete Upper Receiver

Type:

Upper

Barrel Length:

11"