Golden Eagle m4 cqb ras (enanched version)

electric model with cqb battery and charger
reinforced body and one piece metal outer barrel
battery slide stock for separate battery
flip up rear sight,rail handguard,vertical grip included
300rd metal magazine included
length: 685/770mm
weight: 3720g

-Technical data
-7mm gear box with metal bearing
-reinforced piston with 1 joule spring
-steel gears with delayer cam
-hi torque motor long axle
-hop chamber with 247mm inner barrel