JoJo's Bizarre Adventure - Season 2JoJo's Bizarre Adventure - Season 2 - Internet Movie Firearms Database - Guns in Movies, TV and Video GamesJoJo's Bizarre Adventure - Season 2
In Episode 1 ("A Man Possessed by an Evil Spirit"), Japanese police officers carry the Nambu Model 60. Jotaro Kujo also takes one of these revolvers.
The Emperor
In Episode 10, "Emperor and Hanged Man, Part 1", Hol Horse's Stand, The Emperor is a fictional revolver seemingly based on the (Blade Runner) - LAPD 2019 Blaster, with the pistol grip based on the CZ-75, capable of materializing at will and manipulating projectiles mid-air. The Emperor later appears in Episode 11 ("Emperor and Hanged Man, Part 2"), Episode 14 ("Justice, Part 1"), and Episode 15 ("Justice, Part 2").
Enfield No. 2
In Episode 12, "The Empress", Indian police use revolvers; while they are not seen clearly enough to make a definitive ID, context makes the most likely option the Enfield No. 2.
Colt 1851 Navy
In Episode 14, "Justice, Part 1", the dead man seen at the beginning of the episode holds a Colt 1851 Navy revolver.