I shot an orvis uplander 20 bore all last season on a small walk one stand one shoot and shot far better than usual and considered moving down to a 28 bore. Ive handled a few Alex Martin over and unders and like yourself was very impressed and I like the straight hand on a lighter gun hence my interest in the Holts Alex Martin.
I shoot near the Solway and theres always the odd goose flighting over so the drop from carrying a 3 inch 12 ,with the ability to use the odd heavy goose load,to a twenty took a bit of thinking about. In practice it wasnt an issue but I think using a 28 with anything less than an equivalent maximum lead load at the lower flying geese I wouldnt be comfortable with. Im not ruling out a 28 in future just dont want to jump for it before Im clearer on what the future holds
I shoot a few roe with my .222 will that still be suitable for roe deer using non lead ammunition ?