I was able to pick this up but I got no way of measuring bore size and it doesn’t match any of the pics I’ve saved of vintage stuff from magazines. I know it’s a Smart Parts All American right? All the pics I’ve saved have grooves on the back of the barrel and come in 3 different colors that can be used to identify bore size (light grey, black, dark grey). This one is just smooth with no grooves.
Another barrel question
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