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home
magazine
For electric guns
For gas blowback gun
CO2 gas refill charger
BB loader
Exterior parts
レシーバー
slide
long slide stop
parts of slide
hand guard / rail
hand guard panel
outer barrel
Compensator/muzzle brake
suppressor (silencer)
grip
grip panel
stock/pipe
charging handle
Front sight / Rear sight
sling/mount
conversion kit
BB bullet/grenade launcher
bipod
Other parts
low profile gas block
Magwell/Magazine Bumper
Motor/motor plate
trigger
magazine catch
internal parts
mecha box
inner barrel
adapter
cylinder set
cylinder
cylinder head
piston
piston head
custom nozzle
spring
spring guide
hop up
hop up chamber
housing piston breech
gear (set)
custom nozzle
selector plate
tappet plate
selector lever set
giga valve
Screw / Shim set / Bearing
Other internal parts
optical equipment
dot sight
rifle scope
scope mount
flashlight/laser
Equipment
belt
gun bags & cases
gloves
goggles
Helmet
holster
mask
Pouch
protective pad
sling
its equipment
weapon model
electric gun body
gas blowback gun body
FAQs
Language
English
日本語
English
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E&C spring mechanism box set (rear wiring) compatible with Marui M4 electric gun (black)
E&C spring mechanism box set (rear wiring) compatible with Marui M4 electric gun (black)
Regular price
¥8,333 JPY
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¥8,333 JPY
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item sku EC-MP045B
Metal bearing and ver.2 standard gear
Ver.2 mechanical box.
Compatible models: Tokyo Marui M4 electric gun
Rear wiring & plate
Used to replace the original mech box.
*Incorporation requires experience in modification and maintenance.
Weight (grams): 615 / 660g including packaging materials
Material: Metal
Manufacturer: E&C
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