...appreciate your thoughtful and informed posts...
...does this mean you would not mount a scope on a double?...
...how about an o/u 9.3 that also sports a pair of 20 gauge smooth bores, and that is intended as an 'all around' hunting set (the only dg that i would ever hunt would be cape...mostly boars, stag, kudu, orxy, zebra and upland birds)...