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BB guns have 3 different power plants. Spring, C02 and Pump.

1. Spring power: When the rifle or gun is cocked a spring is compressed inside a piston and released when the trigger is pulled. The piston pushes air ahead of it forcing the BB to fly out the barrel.

2. C02: C02 gas is contained in a cylinder. when the trigger is pulled a burst of C02 gas is released and forces the BB out the barre

3. Pump: When the rifle is pumped using the forearm, air is stored in a cylinder inside the rifle. when the trigger is pulled the air is released forcing the BB out the barrel.

There is one more power plant but it is used in High power air rifles and guns only and that's PCP. Air is introduced into the rifle with a Scuba tank taking the pressure up to 3000 PSI and is used to power the rifle for several shots.

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15y ago

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