It all depends on the country and location where you live
9 or older
walmart
Bbgun
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check craigslist or pawn shops.
It will eventually eat the seals.
It depends on how well you take care of it.
Powerlines are about twice as powerful as a Daisy Grizzly.
It all depends on the condition and model number of the BB gun
See the link below for the Crosman version.
Yes. BB Guns may not be as fast as a real firearm but they can inflict injury of death.
Not beyond Walmart or dicks. I suggest you search craigslisl