[arp242]

The name in Unicode for U+1F52B is "water pistol". For better or worse, everyone uses a water pistol now and has for years.

[weinzierl]

Not in my book, which is The Unicode Standard, Version 16.0.

    1F52B PISTOL = handgun, revolver

https://www.unicode.org/charts/PDF/U1F300.pdf