Watched the Star Trek episode “A Private Little War“ where the Klingons supplied one group of primitive people flintlocks. So Kirk has Scotty whip up a supply of Flintlocks for the other tribe.
The Flintlocks were Trapdoor Springfields with fake flintlock hammers affixed to the regular hammers. Actually they were very fake looking and quite laughable to anyone who knows better.
***The Flintlocks were Trapdoor Springfields with fake flintlock hammers***
I’ve seen those in lots of movies.
Guns for San Sebastian
Last of the Mohicans (Masterpiece Theater TV version)
way too many others.