Most "PUMP" air guns use the for-arm (Forward Handle) to pump the air gun.
One that you have to manually pump the forarm up to build enough pressure in the air tank to fire the gun.
A pump action BB gun requires you to pump the forearm (The grip under the barrel) several times to store air in the air tube. This air propels the pellet when the trigger is pulled.
with a hand pump
Pump powered air guns should only be pumped when you are ready to shoot the gun. Never leave an air gun pumped for a long period of time it is very hard on the seals and will eventually ruin them. It has been recommended that on a multi pump rifle or gun that you only pump it once to keep the chambers closed when you store it.
pump-charged gun
Multi pump air guns have an on-board air chamber that requires you to pump the forearm several times to fill the air chamber before you shoot. You can vary the power by the number of pumps.
Fifty caliber, but it is more of a toy than a paintball gun.
You will need to connect the air. Professor to the water pump. The air going into the well will force the water upward.
Yes. Pellet guns are: Pump action, C02 driven, Spring action. The more powerful ones are called PCP. (Precharged pneumatic. ) They use a Tire pump or scuba tank to charge them. All Air Guns & Air Rifles are driven by Air or C02.
Because the air pump in a bb gun makes the bb feel like a pinch
Check the web under "Air gun repair"
Most likely it has a blown seal.