Not sure but I think the Supermatic was built by J C Higgins - been quite a while since I've seen one of thoseDoesn't have chokes. It is a fixed barrel. I will have to check on the 3 1/2" i think its 2 3/4 only maybe 3. But pretty sure it is not 3 1/2.
Is this still available?Got a high standard 12 ga semi auto for sale. $220
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