yes you can
No
Why not call your local police and find out? They won't arrest you for asking.
In some areas it's illegal and in othres it is legal
is it legal to tape someone in their backyard without concent
When you say Air Rifle you are referring to a pellet rifle not a firearm. At present there are no 300 Cal air rifle being made.
Yes
There is almost no information on the law about whether backyard boxing is legal in Canada. However, a lot of people agree with the idea that backyard boxing is illegal in Canada.
no
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It is my understanding you can shoot an air gun in the backyard in the County of Sacramento (I don't know about the City of Sacramento) providing the pellet does not travel past your premises onto a neighboring property. If the pellet gun is loud, there might be some issues relating to noise ordinance... usually after or before certain hours. The only laws on the books in Sacramento County specify issues regarding to shooting in or within 150 yards of a public park... which is not allowed.
yes as long as u have a liceances i believe
Only if it is legal. :)