Thanks, I just struggled sorting out the ball, spring, retainer and buffer that fits in the action rod of my 1187. It has over 35k rounds through it without a problem. Then the cocking handle flew off so I had to find the correct fix.
Anyway, now is a bad time to get parts. Everything is out of stock, and Remington is closed. I managed to get parts in all sorts of odd places. On line at several vendors, and also hitting a local gun shop. I have enough parts to redo two more action bars (I have 2, 12 ga 1187s).
It was hard to do since there are no Uchoob videos covering something this detailed. Live and learn. Now I can look at your sources. Thanks again.