I have choosen to load some mild 130 and 150 gr .308 loads using IMR 3031. There is considerable data available normal and max charges. I can't however, seem to find much on mild and reduced loads. I have a 20" barrel, 1-12" bolt gun. There is IMR 3031 data available for .30-30 and .300 Savage. I am near certain these charges would be safe for a .308 Win, but I thought it prudent to ask some experts. Is going down to .30-30 levels with IMR 3031 an issue for a .308?