Shooter CNC alum. high end gearbox with QD system. https://airsoftpro.cz/en/gun-parts-upgrade/aeg-inner-parts-upgrade/gearboxes-and-inner-parts/gearboxes/other-gearboxes/cnc-hlinikovy-qd-skelet-mechaboxu-pro-m249-detail
BTS555 mosfet for high power batteries.
SHS High Torque Motor. Steel gears 1:18. Piston with steel teeth. Metal nozzle. T connector.
For A&K or Classic Arms M249 and PKM
Located in Estonia. Free shipping in Europe.