"The thumb part appears to be broken; that part should stand straight up not at an angle. I can see in your pic a dark line that looks like a fracture.
The thumb mechanism has gone through changes over the decades. Yours is a relatively new…"
Was Part of a Beautiful Collection of Antique German Steins which included many real Early Gertz Only Marks are on Cap ,Words are in German and there is a Date or? 5.X.99.See Below ...Thank You…See More
"Too many guns and too many gun parts. Most firing pins are pointed, yours appears to be blunt. I'd guess it's from a bolt action rifle. You can go on-line, ask your search engine for "Winchester rifle schematics" or…"