Oh yeah that is a great cal. . Shop around for reloading equipment. Sometimes
http://www.natchezss.com/ has good prices. I know this much about factory ammo: the model 1895 will handle a lot more than what the factory stuff puts out. It's a tough rifle. I have one.
The 305 gr bullets may shoot a little faster and flatter but you usually lose accuracy. Mine likes the 400 to 450gr bullets the best. The bullet drop is such that with any bullet over 150 yds you will be holding over your target to hit the right spot. The thing is to practice shooting plastic bottle filled with water at various ranges out to 250 yds. You'll be picking em off right and left after 300 rounds or so. It takes that many to get used to the recoil and stop flinching and getting used to that trajectory.
I shoot cast bullets cause they are cheaper and the new hard cast stuff doesn't lead the barrel all that bad.
Above all have fun.