Hi everyone. I am going to start hand loading ammo for my 300 Win Mag. I have a buddy who has all the equipment and manuals we will need. However, he has no experience with any 30 calibers and I have no experience period. My rifle is sighted in with 180 grain Nosler Partitions by Federal Premium ammo now and that works really well. It has a 24 inch barrel, but, I am not sure what the twist rate is. It is both my deer and elk gun for the time being. However, I use it primarily on deer. The typical range for deer I will be using it for is around 100 yards, maybe 200 yards, definitely not more than 300 yards for deer. What is the recommendation for powder, primers and bullets. If I do not use partitions I would like to switch to a boat tail of some sort. Thanks.