Have both also, I'm guessing your mainly hunting with the 870 with maybe some practice clay shooting now and then? I think the recoil argument of inertia doesn't really come into play until using heavy loads, but recoil perception varies. I would have a hard time choosing between my benelli and the beretta 390. If you want to shoot 3 1/2 inch, 12s with any regularity I would say the gas gun for sure. Have used the 390 for many years before I ever shot a benelli so I might pick that one just because of my history with it and not giving up an old friend. I could hunt anything that a shotgun could hunt with either one.
