Originally Posted by grouseman
BreakFree CLP on the magazine tube and rings of your gas gun. You won't believe your eyes.

Spray it on your dirty gun.
Shoot a box of shells through it.
Wipe off the previously caked-on carbon with a rag.
Reapply.

It's amazing stuff.

Agree entirely. I use Breakfree CLP on my 2 11/87's and 1 1100. It's amazing stuff.