Thanks for your concern Keith L. I know what types of shells can be used safely in this gun. I had a gunsmith check it out for me several years ago. He called Winchester and they said...
1. Use only 2 3/4'' shells.
2. Use only lead, or bismuth.
3. NO steel, or tungsten shot.
They even said slugs would be OK, but my gut says no.
The S & B buckshot shells are about 5/16 inch longer than other 12ga. 2 3/4 inch shells that I have. That is why I can't get 6 in the mag. The extra length of the S & B shells is not because they are any kind of a magnum load, in fact they are more of a reduced recoil type of round since the brass is only about 1/2 inch long.
I plan to use this model 12 for several different things.
I tried some trap shooting with it and that was fun.
Never been bird hunting yet, but if I get the chance this is the gun I'll use.
Home defense is the reason I wanted to get the plug out of it. I have another shotgun with a shorter barrel that would be for use at very close distances. However, I need the longer range of the model 12 to take care of any feral dogs that need to be removed.
www.captaindaves.com/buckshot/dogs.htm . Read some very scary stuff there about the danger of feral dogs packing up.
Thanks again