Scottish Highlander, it might also help to have some idea about your firearms laws. I, for one, am entirely ignorant about Scottish gun laws. While I could suggest something like a .50 cal, that doesn't do much good if owning one's going to cost you 10 years in prison. . .
A gunfight is not the time to learn new skills.
If you ever have a real need for more than a couple of magazines, your problem is not a shortage of magazines. It's a shortage of people on your side of the argument. -- Art Eatman