If your complaining about the recoil (check your version "1.0.10t") If your version lower, refresh it and if you think the mouse sensitivity is high, adjust it.
For some what reason, Rail gun is overpowered i mean the ammo is 345 WHEN FULLY UPGRADED, theres no need to reload and it shoots through (unlike others) I MEAN ITS OVERPOWERING.
if you think Hitting is bull then It has to do with Weapon Attack/Magic Attack/Archery depending which weapon and anatomny and tactics, check these in the Library and check your skills and talent in the personal button thingy section
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