I just had a new 27 3/4" barrel placed on my Rem 700 in AI stock, 7.5 twist to shoot the 115g. dtac, I am getting between about 2,950 fps using 46g. of Reloader 25 or 42g. of H4350, is one one these two powders better than the other for accuracy and/or throat wear? Is it better to use more of...