Every load i've seen posted for .300 (berger 230's + retumbo) calls out 215M's. I can't find 215m's anywhere, but can find the 215 variety. So my question is, is it a waste to get the 215's, or should i just suck it up and wait in back order hell?
Ok, just found a post where brian litz sang the praise of standard large rifle primers, used in conjunction with h4831sC. so same issue, 210 vs 210m, cant find the 210m. Any other primers i should keep my eye out for?
I have always used a standard Winchester 8 1/2 LR primer in 300WinMag. I don't see why you would need a 215, but there is nothing wrong with the 210, I just never used it in 300. My groups are more than adequate so as long as I can get the Winchester primer, I'm not changing anything. BB