“May I suggest that Mr. Bond be armed with a revolver?” (1956)
Interesting.  Revolvers would be good for a spy as they don't eject shell casings, however they are quite loud, which led me to ponder: are there suppressors for revolvers?I did a quick search, and the first result was very interesting!https://www.guns.com/news/2019/08/08/gun-question-can-you-pu...Edit: more interesting pictures https://www.thefirearmblog.com/blog/2016/06/15/why-cant-revo...