R.I.P. Scout26
Not sure why they just don't design an "air" gun to work that way
Would deliberate deiseling make it a "firearm" in places that use an explosion or chemical reaction as the defining characteristic?
Not legally different than a muzzleloader, since there isn't a fixed self-contained cartridge.
^ They did.
And then there is this guy...http://now.msn.com/william-daniel-lloyd-injured-hunting-squirrel-with-bb-gunTape a real bullet to the muzzle of a crossman 760 and then fire, the BB detonated the primer. It worked out about as well as one would imagine.