Thread: Ordered a 45ACP/12ga rifled insert

a couple of these on the market , thought I would try one of the rifled ones by chiappa. They are an insert into the shotguns chamber allowing it to fire a variety of pistol ammo. The chiappas have about 8" of rifling. Anyone tried one of these? My bet is accuracy will not be overly high, the tolerances would need to be loose enough to get it in and out of the shotguns chamber.