See the links below.
Your question is a oxymoron. Pneumatic BB guns are single shot. Machine guns are Multi shot. There are several C02 driven BB machine guns
Yes
machine guns, bazooka, canon, shotgun, and BB guns
It depends on the Model and power source.
You Can't. Good BB guns cost. You might find some used ones on Craigslist.
To find BB guns for sale, one can look in various department stores such as Walmart or Target. Or you can look on online websites that sell BB guns such as Amazon or "Air Gun Depot". The price of the BB gun depend on the caliber of the gun. 0.22 caliber BB guns are typically the most powerful, and therefore, more expensive.
No. Some BB guns use a magnet to hold the BB in place until it is fired
BB guns are legal in California
check pyramydair on the web they sell them
www.Google.com Search "Machine guns" Click the tab "Images
A regular BB gun can not shoot air-soft pellets. BB guns shoot a .175 BB. Air guns shoot a much larger 6MM BB.
I have never seen a bb gun sold at WalGreens. But then again I have not been in all of the Walgreens in every state. I searched Walgreens online and could not find any BB guns.