I haven't used wrinkle paint since I did the Hurst shifter knob on my TA way back
Hookeye is it hard to do the modification to get it to fire 2 3/4 shells? I'm assuming you could still shoot 3in shells if wanted.
I wish you were near South Bend. I'd give you some real silver solder. I don't like the lower melting point solder. It is not very strong by nature.