Lemme know if memes aren't alright, I see that both the armed queers comm and this one (along with a bunch of other small guns comms) are basically just single poster communities, so I figured I'd crosspost to help contribute when I see something that'd be a good fit :)
I don't know that .410 fully qualifies. :) Technicalities count and all that, but in my mind if it doesn't have a gauge... :)
67.5 gauge? LOL.
https://www.hunter-ed.com/pennsylvania/studyGuide/A-Shotgun-s-Gauge/20103901_88442/