>>96062341
There's a rather infamous.. incident on /k/ involving a Makarov and a similar background.

>>96062303
>Is it easy/desirable to remove these things from old models
Depends. Collectors lose their shit.
The tab is meant to go in the slot on a slottabase. When I'm using a flat-topped base I sometimes cut and file them into pins, it gives a more substantial connection to the base than just shoving paperclip wires into the foot and you don't have to worry about running pins into their ankles.