Hi Scott,
I have a Hammond for the .308 Winchester, which works pretty well, especially in my Merkel single-shot. But I've never found accuracy to be what DigitalDan is looking for, in fact have found it about the same as yours, which is fine for 25-yard shooting on small game but not much more. In fact have never been able to do significantly better with buckshot in reduced loads in several cartridges, even after carefully sorting the shot for uniform weight and diameter.
What kind of groups do you get at 50? Or have you tried that far?
