 the other tools and polished it out. It's not difficult to do. You just got to be careful how you handle the handpiece. And here's the thing, and all this information is available now on YouTube. Let me just tell you, a Dremel tool is a gunsmith's best friend because a Dremel tool in the hands of the unskilled means you're going to end up taking your gun to a gunsmith and getting it fixed after you try to fix it. Well, you may have to go get a new barrel. Ha!