You should privately consult with a criminal defense attorney and relay to him the facts unique to your situation. See http://ohiosecondamendmentlawyer.blogspot.com/ for more information.
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In many states it is not; if not most or all. It would appear from this citation that it would not be in Ohio either. http://codes.ohio.gov/orc/2923.11 " (1) "Firearm" means any deadly weapon capable of expelling or propelling one or more projectiles by the action of an explosive or combustible propellant. "Firearm" includes an unloaded firearm, and any firearm that is inoperable but that can readily be rendered operable. "... . A pellet gun is an air gun and as such the projectile is not expelled by explosive or combustible propellant but instead by compressed air.
However you should indeed contact a knowledgeable Ohio lawyer with your specfiic facts as Mr Bristow suggests.
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