Golden Eagle JG 10 Inch CQB Length M4 Polymer Upper Receiver with Free Float Rail System
7 inch free float polymer rail system.
10 inch metal outer barrel.
Compact design makes this ideal for close quarters to mid range engagements.
Includes a 6.05mm inner barrel and hop up unit.
20mm Picatinny upper rails provide space for aftermarket iron sights or mount optics.
Measures 19.5 inches in total length.