Complete, reinforced gearbox V2 with Micro-Contact (wired at the rear)

Fully reinforced gearbox V2 with Micro-Contact (back-wired) 

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 use with 8 mm plain 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 final steel tooth; an airtight polymer piston head; a cylinder head with a soft damper; a type 0 aluminium cylinder; a polymer nozzle and a spring guide. 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 micro-contacts included in the set instead of the classic plates typically used, which significantly improves their tripping response and extends the service life of the micro-contacts. LiPo-batteries. 

This version is wired at the rear.