"...Wiki referencing..." Don't rely on Wikipedia for accurate info. Anybody with internet access can post anything they want there.
Rumour has it that the Russian Army still use the Markarov. The MP-443 Grach is supposedly replacing it. Of course, Putin and his organized crime buddies put very little money into their Army or any other part of the Russian military.
"...the FBI minimums..." The FBI is not and never has been the arbiter of anything firearm related.