Thanks for all the advice. My rifle is definitely over gassed. A good friend of mine has the same rifle and he put in a JP buffer and it works well. However, he is isn't running a suppressor so I got the heavier weighted JP buffer. An AGB seems to be common theme here. Any recommendations...
I recently added a suppressor to my Smith & Wesson M&P10. It gets dirty pretty fast. The only modifications are a vented charging handle and a JP Rifles Buffer. I can't get through half a magazine before it gets so dirty that it won't fully eject spent shells. It is easy to clear the shell...