John, I question about the Nylon 10 smooth bore. I own one of these. It was my grandfather's gun and I remember firing it a few times in the early 70's. My Dad inherited it and eventually it became mine. I am certain that it has not been fired in the last 20 to 30 years and I have no ammunition for it. I've looked for some, but it is very difficult to find. Part of the problem may be that I am looking for the wrong ammo. In my mind, the ammo we shot out of it 40 years ago were .22 short crimped brass bird shot. Your article says it is chambered for .22LR. How certain are you that it is .22LR and not short. I did find where I can buy .22LR crimped brass bird shot on-line today. I would really enjoy letting the newest generation in our family do a little plinking with this old gun and maybe share some stories about their great grandpa and great-great grandpa.