My Tristar Brittany had tight chambers when I got it, so I hand reamed the chambers with a new 410 Finish Chamber reamer and lots of cutting oil. Did the trick and have not looked back.

I also reamed the ejector hole, what a difference that made smile

Mike

Last edited by skeettx; 06/02/14 01:03 PM.

USAF RET 1971-95 [Linked Image from jpgbox.com]