To answer the question I think you're asking: you can buy some cheap 9mm handguns for $150-300, but to get anything actually reliable, you'll probably have to spend $400 or more. That said though, people have different definitions of the word "reliable."
No. There are more than a dozen DIFFERENT "9mm" cartridges, and they do not interchange. The most common is 9mm Parabellum- also known as 9mm Luger or 9x19. It does NOT interchange with 9mm Kurz, 9mm Corto, 9mm Makarov, 9mm Ultra, etc.
Loud
A handgun
Yes, a 9MM Nazi Handgun (WWII). What is the approximate value of the pistol with a Nazi leather holster?
Not in the current U.S. military. the most common handgun caliber currently is the 9mm.
9mm Luger. The CZ is a great pistol.
South American
Glock
@ 1902
45
100 or so
South American make.