I have loaded for the 7mm Mauser for several years. I generally use the 139-140 gr pills. I use W-748 or BLC-2 just because that is the powder I use for .223, .308 and .30-06 and I can buy it by the case and save $
In life, strive to take the high road....It offers a better field of fire.
"Robo is right" Fuzzball