If you were shooting 3/4 oz shot in a 12 bore, what chokes would you choose? Choose by name (full, IM, mod, IC, etc.), not numerical constriction. It takes differing numerical constriction in differing bores sizes for equal choke effect. For practical purposes, a 3/4 oz 12 bore full equals a 3/4 oz 28 bore full.

DDA