As much as it pains me to admit, as much as I would REALLY like to say I shoot one of my vintage SxSs best, it is just not the case. Even worse, if really pressed, I would have to give the slight edge to my 391 (auto) target gun over my Beretta ASE (O/U). Of course neither of these are field guns. (The is not an especially fair comparison as the SxSs are not fitted, dedicated target guns; I shoot lighter loads in the vintage guns, etc.).
I WANT to to shoot the SxSs better, but just don't. Still that doesn't keep me from shooting them regularly. For most of the shooting I do, the difference in performance is not an issue and I enjoy shooting the SxSs more.
Ken