King arms 556 holo electric gun (ras version)

Full metal model available
1j mecha box with 7mm ball bearing
blow back bolt action with gera box protection
m4 style 5 position slide stock
upper body with flat top rail and full metal deluxe rail hand guard
peq 15 case included to store lipo battery (1300 or 1450 king arms)
190rd magazine (compatible with common m16 magazines)
length: 860/940mm
weight: 2850g

Technical data
-7mm gearbox with ball bearinjg and metal nozzle
-reinforced piston with 1j spring installed
-steel gears with delayer cam installed
-hi torque motor short axle
-430mm inner barrel
the model is sold with removed marks