No not all of them are spring. Some are also pump or C02
Your question is a oxymoron. Pneumatic BB guns are single shot. Machine guns are Multi shot. There are several C02 driven BB machine guns
Answers.com is not capable of displaying photos. However if you want to see several single shot BB guns I suggest you go to either Crosman or Daisy home pages to see there guns. Both of these companies made BB guns and rifles for Sears. see the links below
BB guns originally fired lead shot, in size BB (which is between B and BBB)
BB guns can cost anywhere from $12 cheap single shot pistols to $300 electric automatics. If you just wanted to pick up a BB gun from a sporting goods store, it is about $30.
Some BB guns are designed to shoot BB and pellets, but not all BB guns shoot pellets. The ones that shoot both usually can shoot several BB without reloading but only shoot a single pellet at a time and you have to reload each pellet between each shot.
A little harder but Yes they are. However spring powered air guns are usually stronger than C02 air powered guns. Spring powered guns are single shot and must be reloaded between shots where as C02 usually uses a clip with pellets or BB and is semi automatic. ( Generally speaking but not always)
BB guns are often used at Cub Scout camp. Boy Scout camps often have 22 single shot rifles and 12 gauge shotguns (skeet).
no, the magazines in gas guns have the gas inside of the mag, spring guns dont
The original BB guns used Ball Bearings for shot. The name was shortened to BB. Now you know.
A Repeater fires a shot each time you pull the trigger and will fire every time you pull the trigger until all the BB's are gone, It just keeps "REPEATING". A Single shot must be reloaded between shots
The letters BB indicate the size of the shot that is in the shotgun shell.This is telling you that your shot size in the shell is the same size as used in BB guns.
The original BB guns used the BB-sized lead shot for shotguns, midway between B and BBB size.