Specna Arms ready M4 V2 mod2 gearbox, with microswitch - wires to the rear

Specna Arms reinforced ver2 mod2 ready-made gearbox for M4/16 airsoft guns with quick spring change feature and micro switch. The mechanism has a tuning level of approx. 125 levels. The mechanical trigger contacts have been replaced with a micro switch. The gearbox wires are at the back.

Features:

- Reinforced Ver2 Enter & Convert gearbox

- Microswitch

- M110 spring

- Metal bearing spring guide

- 8mm bearings

- Reinforced 18:1 steel sprockets

- Steel-toothed, lightweight polymer piston

- Aluminum bearing-mounted piston head

- Aluminum padded cylinder head

- Polymer sealed nozzle

- Type 0 cylinder