Guys and Gals: I am going to start loading 308 rounds. I am NOT focusing on bench rest and long distance sporting accuracy. Instead, I am looking more for general effectiveness for general usage. I would like recommendations for powders that meeting the following goals: 1. Powder that is widely available 2. Powder that is not too expensive 3. It should meter well 4. It should burn cleanly with a minimal of residual residue My platform will be a tactical semi-auto with a 20-inch barrel. Thanks.