New 257 STW
The first powder we tried was Ramshot Magnum 87gr only gave us 3950fps and .6 MOA. I'm thinking about trying Retumbo and H869 does anyone have any experince with these powders and the 257 STW.
“ Three rules of Life: If you're too open-minded, your brains will fall out. Don't worry about what people think; they don't do it very often. Artificial intelligence is no match for natural stupidity.