I am new on this forum and found this thread about BSF.
Its my favorit air rifle and i had collect them in a couple of years.
I have following models today BSF/Bavaria mod 20, 35, 45, 50, 54, 55, 60 and 70.
Searching for model 20 target style, mod 30 and mod 80.
Posting one picture of one of my model 20, i have never seen this pistol handle before.
Andy / Sweden