One of my 835s is dropping shells out of the magazine tube when I eject a shell out of the chamber. Could it be the shell interrupter or the shell stop?
Sounds like a shell stop to me and by looking at mine. As you pump the shell elevator pushes in the shell stop causing a shell to come out the magazine. As you push the pump forward the elevator lifts the shell to put it into the chamber.
Not sure what the shell interruptor is. Hope this helps.
Mine does the same thing. I've looked at the schematic of the gun and will prob order both he parts you mentioned. I think they are like 15 bucks a piece. Thought about maybe just bending them ever so slightl to see if it helps but haven't yet.