CYMA Long Shaft High Torque Neodymium Motor

If you've had motor issues and need a cheap replacement, here you go! The CYMA High Torque Neodymium Magnet Motor; Long Shaft is a high-torque upgrade motor for M4/AR-15, SMG-5 (not K), M14, G3 and P90 AEGs. This is the perfect upgrade part if you want to crank up your trigger response for some snappy semi-auto work or increase torque to handle high-power springs. The set includes a pre-installed D-type pinion gear and pinion spring, both of which are pre-installed on the shaft.