.22 Kral Puncher Breaker update. Home tune: Polished internals (bolt,hammer,receiver,trigger components,ect.),ported valve,enlarged transfer port from valve to barrel,upgraded cocking lever,Donny Fl Sumo,Lane regulator set to 130 bar. 55+ shots at 32/33 fpe with JSB 18.13's. Half inch 12 shot...