hkmp5roxs Posted March 17, 2007 Report Share Posted March 17, 2007 I have a CA M15A4 RIS and it used to shoot pretty well but now the bb's simply are not going as far as they used to and the ROF seems to have slowed. I was wondering what would be the best upgrade to do while keeping it under 350 fps. Should I get a new motor or what? Thanks everyone. Link to post Share on other sites
Gibb Posted March 17, 2007 Report Share Posted March 17, 2007 it seems like the gearbox needs to be serviced, try a new spring, pisten/head and give the gearbox a grease up. thats what i done well (changed the spring) and that worked fine. you can change the motor and the battery but u will need upgraded gears. hope this helps Link to post Share on other sites
Veek Posted March 17, 2007 Report Share Posted March 17, 2007 I have a CA M15A4 RIS and it used to shoot pretty well but now the bb's simply are not going as far as they used to and the ROF seems to have slowed. I was wondering what would be the best upgrade to do while keeping it under 350 fps. Should I get a new motor or what? Thanks everyone. <{POST_SNAPBACK}> Yes normally a stronger spring would do the job but you should also check the compression between your piston and the cilinderhead. Many times the original O-ring isn't good enough replacing it with a new one could make a hell of a difference. If you want to place a new motor you should also replace the standard gears with torqued up ones. The standard ones tend to break with a more high powered motor. Since it's a CA you don't need to replace the bushings they are already from steel thus strong enough. Grtz Link to post Share on other sites
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