To posses a handgun (revolver or otherwise) in New York State, you are required to have a pistol permit.  Possess includes shooting, or even holding, not just owning. There are several steps that must be completed in order for a permit to be issued. These are the flaming hoops requirements that Erie County and the State of New York presently impose on Pistol Permit applicants.

In order to apply for a pistol permit in Erie County, you must be 21 years of age and be a resident of Erie County. You are not required to buy or own a gun at the time of application. (but you will be required to purchase or co-register one later in the process)
Applicants must have instruction in the safe handling of firearms from a certified instructor, and proof of such training must be submitted with the application. The NRA ‘Basic Pistol’ Course fills this requirement.
If you have been arrested, or charged with any offense except minor traffic infractions (speeding or stop signs), you [...]

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