do any one put an eagle6 M120 spring on his sopmod.....and if he do ,can tell'me pls if the stock motor it will be able to pull the spring?
I mentioned i all redy have brougt all promy parts in the gearbox (double torque gear) except the case .
the fps limit were i ply is 410 fps and i want to bring my sopmod close to that limit.
ps: any another sugestion it will be welcome