This may be a dumb question but.. I did have a mossberg 500 12 i used to use for turkey. I traded the gun for a 870 20 ga. I bought a stoger 12 o/u. And I still had the turkey choke for the mossberg so i put it in there to see if it fit and it did. So is it ok to shoot?
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My understanding of screw-in chokes is that they are designed to only fit in guns that they will work in. If it fits, it works. Those mossberg tubes will fit in Winchesters, older Brownings, and apparently Stoeger.