i have 2 smiths- a model 17-4 and a 66-1. i take them both to the range, switching back and forth on the same target. my .22 shots form a 3 or 4 inch round group at 25 yds, my group with the 66 is 3 or 4 inches wide but 8 or so inches long. the range where i shoot is outdoor with a roof over top...