i need all your guys input... im going to Alaska in sept. and i just purchased this gun.. its a 300 Remington short action ultra mag... the model is a Remington model 7 with a 22" barrel.. im thinking some where around 165 grain tip.. i need help on what you guys think for what kind of powder, how much powder, what kind or wieght bullet.. anything you can think that would help me out... sorry i forgot to mention that i am hunting Moose, Caribou... again thanks