Had a little range time this afternoon. Started out with the barrels crossing ( started at 20 yds). I expected them to based on measuring the width of the bores at the breech and muzzel. A couple of adjustments for getting the barrels to shoot close to the same plane horizontally, then adjust for spread. My regulating screw worked well, but I do need to make a wider front assembly as the barrels required more than the assembly has travel.

The picture of the group was from 20 yds, the aim point was undefined, ....as in "edge of the post, about 1 inch below the nail"

I am pretty pleased. I will dial it in more tomorrow afternoon. The ejectors need a little more work, and then she will be ready for engraving and finishing.