in my opinion i would use a 30-30 or 243 i would give the nod to the 30-30 in this one though it has a little more "punch" imo and will be a fine cal for what you have stated as for gun brand you cant really go wrong with the tried and true marlin 336 just be careful of the new "remlins" they can be defective but if you check them out before buying then you will be alright