[Romulus]

A revolver is not a pistol? Not being sarcastic; I never heard this before.

[Fido969]

A revolver is not a pistol? Not being sarcastic; I never heard this before.

Yes, while a revolver may often be described as a pistol, a pistol is a handgun where the chamber is an integral part of the barrel. Semi-auto (or auto) handguns and single-shot handguns are almost always pistols.

[Fido969]

Here is the ATF definition:

https://www.atf.gov/firearms/firearms-guides-importation-verification-firearms-gun-control-act-definition-pistol