Durable CNC aluminium gearbox ver.2. Made of aluminium 7075. Beautiful looks, high precision, high intensity. Suitable for those who like high precision and light AEG players. Gearbox has unique design. You can remove spring with the spring guide very easy from the back end. Without gearbox disassembly. So you can easy change spring.
Complete pre-assembled gearbox is a good alternative for those who want a complex upgrade your weapons. Without having to fight the compatibility of internal parts, asse,bly and shimming. Above all, price is cheaper compare to separate parts purchase. Customer has to insert gearbox into body. Just it. But as ussual, requires advanced knowledge of the function of airsoft guns.
Offered gearbox is from the holes and size point of view MARUI standard.
Table of parameters:
|Gearbox||Durable CNC aluminium gearbox ver.2. Made of aluminium 7075. With quick spring dismantling (QD). Reinforcement is mainly in area above the cylinder head. Gearbox is much wider on this place and it reduces the risk of breaking.|
|Wiring||Wiring is low resistance with silver. No fuse Wiring is long enough for front, resp. back crane stock wiring (Depend on model). Equiped with small Tamiya connector.|
|Trigger||Classic trigger contacts are replaced by a microswitch. It provides a fast, short and sensitive response to the press release. During normal load current 15A microswitch lasts about 50,000 rounds.|
|Bearings||Gearbox is equiped with two type of the bearings. Motor gear has pair of 8mm ball bearings. Spur and sector gear has 8mm stainless steeel bearrings.|
|Gears||Gearbox is equipped with CNC steel gear set with ratio of 18:1. Gears are well oiled and shimmed.|
|BB supply cam||Sector gear has bullet supply cam. It increase chamber "open time".|
|Cylinder||Air cylinder with the holes. Suitable for inner barrels up to 370mm. If you want longer barrel, replace cylinder into full one. AirsoftPro cylinders are compatible.|
|Cylinder head||Cylinder head is made of aluminum on CNC machines. It has two sealing rings and rubber flat stopper.|
|Nozzle||Nozzle is made of aluminum on CNC machines, with one O-ring. The length is 21.4 mm|
|Piston head||Head of the piston head is aluminum, back-pressure, made on CNC machines. Equipped with ball bearing.|
|Piston||Piston has a full metal teeth and handle strong springs. The body of the piston is made of plastic.|
|Spring||Gearbox is equipped with M150 progressive spring.|
|Spring guide||Spring guide has ball bearing.|
Some tips for installation:
- 11.1V lipo battery can worn trigger contact faster. It is due to high currents.
- Spring in the gearbox can be changed only before inserting into the body of weapons. After that, this is not technically possible, because the rear part of the body usually has not hole for spring remove.
- We have tested this gearbox on Dboys and AimTop brand only. For other models, we can not confirm compatibility. Technically it is possible to install gearbox to other brands, but may require minor modification. Ensure good alignment with the chamber and barrel.
- Gearbox is designed for M4 / M16 / SR16 / HK416, etc. Due to the length of the nozzle, trigger and selector plate is not possible to install gearbox into MP5 or SCAR.
- The warranty period is two years. But replacing of the spring is very easy and we can keep an eye on the customer exchange to extremely strong. It can shorten the life of the internal parts or completely damaged. For this reason, the warranty is on the product mistakes only. Not on the common wear (for example, worn gears, trigger contacts the piston .. etc.)
- Colour of the gearbox anodize may be different.
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