unless your just clay shooting you better watch it. besides voiding the warranty you might get a big fat ticket or worse lose your gun to the conservation police if you get checked.
many people hunt deer with a smoothe bore barrel i have for years myself shooting foster type slugs. my neighbor did for 38 years and has 3 sweet mounts on his wall a 14 point and 2 12 pointers all with a remington 1100 field grade in smoothbore. i`m a meat hunter myself no trophy bucks on my walls. good luck this season and happy hunting. we both used brenneke slugs you should try them if you haven`t yet.
I don`t think so the franchi and stoger guns are turkish made by vursan i believe. although beretta owns stoeger, franchi, uberti, benelli,Sako,burris, BAM-Stoeger and beretta-benelli Iberica products I don`t think the parts are interchangeable.with exception to a few chokes.