Complete reinforced gearbox V2 Mod2 with electronic contact (wired at the rear)

Fully reinforced gearbox V2 Mod2 with electronic contact (wired at the rear) 

A complete, reinforced gearbox version 2 for M4 / M16 replicas. It is an ideal solution for those who want to purchase a high quality gearbox at a reasonable price. The frame has been adapted for the use of 8 mm slides and ball bearings and thanks to the reinforced construction in the most sensitive areas, it can be used in combination with stronger springs. The gearbox has a quick spring change system that is compatible with the CORE and ONE series replicas from Specna Arms is compatible. 

The Enter & Convert system enables a Fast and quick Matching the performance of the replica to the conditions expected on the airsoft playing field without the need to disassemble the entire gearbox and thus have access to a workshop or a set of specialised tools. Once the gearbox has been removed from the replica housing, the spring change takes literally only seconds. The spring must be removed together with the guide through the opening in the rear wall of the frame.

Inside are the following parts: reinforced 18:1 steel gears; an m110 spring; a lightweight polymer piston with a full steel band; an aluminium piston head with airtight bearings; an aluminium cylinder head with a soft damper; a chromed aluminium type 0 cylinder; a polymer nozzle with airtight bearings and a metal spring guide with bearings. The replaced configuration can produce a muzzle velocity of 400 - 420 FPS, depending on the replica. 

The characteristic feature of this frame is that it is adapted for the electronic contact included in the set, which monitors the operation of the gearbox, significantly improving its tripping response and extending the service life of the gearbox. LiPo-batteries. 

This version is wired at the rear.