Yeh, there are dumb asses everywhere. There might be one at the firing position next to you, next time you are at the range. You might be able to give them some "get safe" advice, maybe they'll listen.
How To Remove Scratches On your Gun
I'll tell you what you can do with your Dremel tool!
if you hear this word, he probably owned you
should own a dremel tool. No better way to polish feed ramps and slide rails. Great tools.