I know the 375 H&H is on the lower end of the big bores and the rifle I have is on the heavy side (Ruger RSM), but what would be some suggestions on learning to shoot this round? I have only hunted whitetail in the southern US and use a .270 the majority of the time. As a matter of fact, the largest rifle I have ever use is a .30-06. Should I begin with some type of reduced loads and work my way up? I wish to get comfortable enough with the rifle to use it in Africa in 2011 or 2012.