im looking to get my ics m4 machine pistol shoting faster(rof). Not insanely fast just like 20 or 25 rps nothing extreme. I was thinking getting a 11.1 lipo then getting a polycarb piston with metal teeth and swiss chesseing it. will that be enough? open to any ideas this is my first time using this forum so if this is posted in the wrong thread or something forgive me.