It is a Boito single shot that weighs 6lbs.
Sorry about the confusion.
I initially removed 2" from the end of the barrel to get rid of the full choke, in an effort to make it into a 'slug gun'. It shot 4' low at 50yds after that. So I then put it back into the safe and kind of forgot about it.
When my son turned 10, he wanted to shoot so much, I took in and had the stock cut back to fit him. I reload, so he learned to shoot clay pigeons (and real ones here at the farm) with light 7/8oz loads.
I had some slugs, so I took her out last fall to see why it shot so poorly before. Like I said, once was enough, I never even checked where it hit.
Works real good for snap shooting grouse in close quarters in the bush up here. With the open barrel choke, you have to shoot quick, the pattern is about 4' at 25yds.
Will post some pics later if you guys want.