G&g m4 gr16 carbine tan electric gun (blowback)

new electric model available with semi full auto selector
8mm gearbox with 1j spring and steel gears with hi torque motor
pneumatic blowback bolt action at every shoot
retractable stock and 14.5 inches metal barrel
reinforced nylon fiber body with battery handguard
detachable carrying handle with rail for dot or scope
450rd magazine included
fits mini/lipo or separate custom battery (not included)
Weight 2490 g
Length 780/970mm(internal barrel 363/407mm)

Technical data:
-8mm gear box with metal bearing
-reinforced piston with steel cylinder
-steel gears and metal spring guide
-hi torque motor with long axle
-220mm inner barrel
the model is sold with both red and black plastic hiders