Hi there i got new m3 impact FX 700mm sniper everything is stock no barrel chenged no hammer spring etc its stock — now im shooting 30 grain 22cal 2ith 276m/s grouping good but my question is hat tune to make to shoot 40 grain and it is capable to hunt pest like fox coyote jackals with 30 grain around 80j now with thia setup or i need to go 40 grain and make it around 110 115 jaule and what distance to shoot now im grouping good qt 135 165 +m is like 100mm group nit great but all stock just pushed a bit 2 regs and micro macro