On paper, it seems like a rather silly gun. Its much heavier than other .410 singles, especially the break-open types. Its cylinder bored, so spread with birdshot is pretty extreme and it would make a terrible fowling or clays gun (but then .410 doesn't shine at these missions anyway).
On the plus side, they are extremely overbuilt for the cartridge (being conversions from .303), handle well, have little recoil and excellent sights. I have no problem hitting man-sized targets at 50yds with slugs and even buckshot groups are all pretty much center mass at 25.
My youngest has pretty much laid claim to mine at this point-
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And, of course, they accept a bayonet-
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How cool is that?