Im looking at buying a 300 magnum but ive never shot one ive just seen what they can do on paper. the biggest gun ive shot b4 this is a 308 so how much harder is the 300 magnum going to kick? i dont want to hesitate b4 i shoot but im fine with the 308 so do uguys think i would have a problem with a 300 magnum ( btw im 17 years old 165 pounds)