Recoiless Air pistol - a brief history. Feinwerkbau 65 80 90 100 Diana mod 6 10 Model giss airgun

A brief rundown of the developement of my favorite group of airpistols: Recoiless spring powered target air pistols. 1960- Diana Model 6 1965 -Feinwerkbau 65 1975- Diana Model 10 1977-Feinwerkbau 80 1982-Feinwerkbau 90 1988-Feinwerkbau 100