Classic Custom M4 CQB-R, 150m/s, AirsoftGuns, BY-039, BI-3981M

Classic Custom M4 CQB-R, 150m/s, AirsoftGuns, BY-039, BI-3981M. Professionally upgraded version of Classic Custom electric airsoft guns M4A1 [BY-036/BI-3681M] with muzzle velocity up to 150 m/s. This is not a standard serial production in China or Taiwan, where it is not possible for weapons to be provided much time and care. Our company has upgraded these weapons, we have more than ten years of experience with plenty of satisfied customers.

Designation Classic Custom suggests that the weapon was drawn particularly on high emphasis of good usage of weapons. Configuration requirements for superior performance, lower rate of fire, good durability and reliability. This full metal gun is supplied from the latest edition of which has recently processed metal body with functional dust cover. This is the basic model M4 with plastic handguard, tactical retractable stock (6 setting positions) and a removable transport handle, it is possible to attach different scopes and red dots on the sight rail.

Gun was fitted with favourite parts available from SHS, which has become a world leader in AEG upgrades.. The following components were used..

Complete cylinder set from the SHS:
CNC metal piston head with the bearing
SHS metal cylinder head M4
Polished stainless steel cylinder M4
Aluminum nozzle M16/M4 - 21.5 mm

Stress parts from the SHS:
Precise piston with steel teeth
A set of classic gears - standard (16:1)
Rotary spring guide for the gearbox v. 2

Power modules from SHS:
Long motor SHS - Torque
Spring M130

And the other:
Delayer clip SHS
Metal Hop-Up set M16/M4
Gilded T-Dean connector
Universal MOS FET switch kit - Type Standard

Basic metal reinforced gearbox was modified and metal chamber of gun was propped by rubber o-rings, which is intended to prevent premature rupture of the gearbox. This problem is frequent for homemade upgrade and upgraded weapons mass-produced in China or Taiwan and with strong spring. The weapon is equipped with a spring M130 and thanks to quality cylinder set and good coaxiality performance up to 150 m/s is achieved. The weapon is luxuriously equipped with low resistance wiring and silicon MOS FET switch which is absolutely necessary with strong springs but often it is underrated by manufactures and sellers. The package does not include charger or battery, we recommend to order types. See recommended accessories tab. The pack is supplied with tactical sling, cleaning rod, Wind Up Hi-cap Magazine 300rds, tactical grip, 2pc covers on RIS rails and attachment to extend outside the barrel.





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