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BB gun
- Mar 27, 2018 -

The BB gun's principle is very similar to that of a firearm, but it doesn't explode. Its expansive substance is ordinary air, carbon dioxide or some other gas. Before launching, the gas is compressed to increase its density, thereby obtaining a higher pressure than the external environment of the gun. The compressed gas is stored in an airtight container before the trigger is pulled. When the trigger is pulled, the gas container will open and the gas will flow into the barrel space of the BB gun. Because of the compressed gas, BB gun gas will have a greater than ambient air thrust, so that the BB high-speed launch of the barrel. All pneumatic guns, including high-pressure rifles and paintball guns, use this principle.

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