
Originally Posted by
SnoeDae
so you left everything stock and added that M120 spring? that is definitely going to increase the chances of your piston stripping or worse, your gears stripping. when installing a harder spring definitely plan on getting stronger gearbox parts and a motor to do the extra work. when getting a tougher spring you sacrifice rate-of-fire, so don't expect a high-speed, long-distance set-up unless you shell out for some wicked expensive parts that will last just as long as they're more affordable counterparts.