I'm about to be the proud new owner of a used M77 in 416 Ruger. I've always wanted a large bore and was planning on a 375 H&H or 458 Win but the used was a good price and my tax refund is burning a hole in my pocket. Anyone load for it and more importantly, cast?
I read a few threads but they are several years old. I'm interested in alloy, reduced loads etc as I don't plan on many full house. I have several pounds of Trailboss that I think I'll start with to get used to it. I also have a number of pounds of surplus 20mm powder from Jeff.
I'm also interested in if someone has necked up 375 Ruger brass for it. I was planning on annealing the brass as it is $45/50pcs.