cbrewton,
I think that decision can only be made by considering what your State laws are. If they permit you to use buckshot, then I would recommend the Dixie Tri-ball buckshot. Crude iron sights can be effectively used with the Tri-ball. If you only have a ribbed barrel, there are rifle sights made to clip onto the ventilated rib. The combination of a good choke, the Tru-Glo gobbler sights along with the Tri-Ball is hard to beat for close range deer or hogs. Check out their website, you'll likely find that they shoot plenty good enough for deer within 50 yds.
www.dixieslugs.comThanks, Dinny
Dinny,
I have done a great deal of testing with Dixie Tri-Ball 12Ga 3" (.60" pellets, 3/4 ounce each) and seldom get a pattern greater than 4-5" at 40 yards (Briley .695 extended full choke). Further, my 26" VR 870 Express shoots this load to point of aim at 40yards with just the bead on the vent rib.
I feel completely comfortable using this fast and simple fixed sight system out to 50 yards.
RMc