(emphasis added)
No criticism of the poster intended, but I don't like using that term. It's one of those scary phrases used to intentionally conjure a negative image in support of various bans or restrictions, just as "assault weapon" is used by many today. "Assault rifle" was at least a military/technical term, but has been deliberately misused since at least the 1980's.
I remember the American Rifleman cover page showing a full-size Colt Single Action Army, with a headline of "Last year, this was a Saturday Night Special" or words to that effect, referring to the arbitrary wording of proposed handgun legislation promoted as banning "Saturday Night Specials".
As I recall, there were some racist connotations about the term's roots, as well.
Yes, the RG10 was a cheap handgun, and a lot of us tend to turn our noses up at it. But for some, it was what they could afford to own to protect themselves.