Donch Posted June 24, 2018 Share Posted June 24, 2018 Hi all, have a CM Raider that’s not been out the box in a while. Chrono’d and it’s hitting about 235 FPS on 0.25s. Not clued up on springs so any suggestions what would bring it more to the limit? Link to comment Share on other sites More sharing options...
Supporters Sitting Duck Posted June 24, 2018 Supporters Share Posted June 24, 2018 Im gonna guess it shoots say 275fps on 0.20's Check for a torn/ripped/perished bucking first pi$$ poor seals and weak spring that faded after being stored pre-cocked buy a m105 spring is likely the response and a bit of service inside think the G&G piston head is crap tbh think you might want a new spring & likely this.... https://www.amazon.co.uk/SHS-Tooth-Piston-TT0081-Airsoft/dp/B018KJUQQ0 Normally I wouldn't recommend an alloy head but that combo is da nutz SHS pistons often are bit tight in some boxes - but not in G&G's That head though heavy is awesome, seriously if you don't get good~great compression then the o-ring is missing could drop the bearings inside to save some weight (I would - use the G&G 5mm piston spacer) but best put a bit of thread lock on the screw to be safe m100 spring or element m105 ptfe tape on cylinder head, correct AoE yup reckon that will fix it up quite nicely quite cheaply & easily Link to comment Share on other sites More sharing options...
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