So I was looking at AK variants at a Dunham's Sports today, and the guy behind the counter told me that I would probably lose money by buying it. He said that he expects people to have to turn them in like six months. I don't know if he's got inside information or if he's just the worst salesman in the history of the world (I'm leaning toward the latter), but I ended up settling on one. I got out my Indiana driver's license to start the paperwork, and the guy tells me that he can only sell to residents of Michigan (I'm a Hoosier living temporarily in Michigan). I asked him if he was sure, because I had looked it up on the Michigan state police website not an hour earlier, but he insisted. As you probably can guess, I'm not going to that store anymore. So I called the gun shop in the next town over, and the guy there said he did have two AKs in stock, so I headed straight over. He had a nice Russian, but it was more than I wanted to spend, so I went with the Romanian WASR-10. The fit and finish is better than many I have seen, and this one seems to have been worked over by someone who cared when it was converted to take double-stack magazines. The kicker? This one was $60 cheaper than what I had picked out at the other store. It just turned into a pretty good day. It had the thumb hole stock on it, but I quickly replaced that (it also came with a pistol grip and stock). I won't get to shoot it for a while (I work every day right now, and there's not a range within 25 miles, so I'll have to be patient for a good bit), but that's OK. I now have one. So now, after all that, I have a question. This one has a nut on the front of the barrel welded on, but the weld is very small and could likely be easily broken/cut. I'm pretty sure the threads are still under there. Would there be any legal problem in me removing that nut? Is that something I truly can't have, or did that just have to be welded on so that it can be imported legally?