Plan D (Hi RoF configuration, 9.6-10.8v Large or 10.8-12v mini battery recommended) FPS Choice : 328 or 350
Upgrade includes : TM EG1000 Motor Element 6mm or 7mm Steel bushings on Sector and spur gear and Ball bearing on bevel gear (bushing / bearing size depends on the size of bushing hole) Tappet plate Delayer Reshiming Element Bearing Spring Guide Element spring.