Quote Originally Posted by RCEMERalf View Post
a chamber cleaning brush pushed into the gas tube
Was that with the FN? That was the approved method of cleaning the gas cylinder, the brush was for that. It's in the book. CFP 318(2) It was supposed to go in alone though, without anything on it(cloth)...

Quote Originally Posted by Peter Laidlericon View Post
they won't learn
Our armorer had a word of advise..."If you do it, that's one thing. Bring it to me. Don't do more and damage things." So that's the rule I lived by in later career. Problem is, I'd take the heat for the young soldier...Oh well...