Pic does not show up and the link doesn't work for me, but it's pretty easy to envision something along those lines coming out of "Diamond Dave" Michener's little shop of horrors.
That dude has a bad rep going back a decade or more; I remember it well from my days on the AK Forum and <shudder> Gunsnet.
That said, I'll see your AMD 410 and raise you a Krinkov 12ga.