Fox Collectors

I should have mentioned that the problem does seem to be caused by recoil because it does not double when using snapcaps. With live ammunition it will double regardless of which trigger is pulled first.

I have a 12ga Sterlingworth made in 1910-11. It has a problem with doubling. In other words, when I pull one trigger, both shells fire. It has dual triggers. I assume this will be an expensive problem to repair, maybe more money than the gun is worth. Do any of you have any knowledge of what causes ...