| A CO2 BB gun is a gun that is powered with CO2 | | | | CO2 powered guns. A new 88 gram disposable airgun |
| mechanism and it is used to fire ball bearings or BBs. | | | | cylinder has also been introduced by the same |
| Most CO2 guns use a powerlet which is a disposable | | | | company which can be used in some of the CO2 bb |
| cylinder. It is purchased as pre-filled with 12 grams of | | | | guns. |
| liquid carbon dioxide. Some expensive models of this | | | | The element of cost does not rise with the PCP gun |
| CO2 bb guns use large refillable CO2 reservoirs like | | | | as it uses a pump combination of free air or a low |
| the ones used in paintball markers. | | | | cost refill from the driver's tank. On the other hand the |
| The gun that is powered with carbon dioxide has | | | | liquefied CO2 for the gun needs to be purchased. |
| following advantages over a pre charged pneumatic | | | | Unlike air guns, CO2 guns have a compact package |
| guns: | | | | the offers power for repeated shots. Hence there is |
| 1. Pressure regulator is not required. There is a very | | | | no need for complex filling or cocking mechanisms. |
| little need to regulate the suitable pressure for low and | | | | Repeating arms are also possible as there is an ability |
| moderate power air guns that is within a temperature | | | | to store power for repeated shots. |
| range tolerable to humans. The pressure of the vapor | | | | The guns and the required ammunition are inexpensive |
| does not depend on the tank size but only on the | | | | hence they are popularly used for training. Moreover |
| temperature till some liquid CO2 remains in the | | | | no specialized facilities are needed for safety as they |
| reservoir. | | | | are much safer to use. |
| 2. A small liquid volume converts to large pressurized | | | | In some areas where possession of firearms is |
| gas volume which is a very simple system for storage | | | | banned outright or strictly controlled, these guns can still |
| of energy. | | | | be purchased. |
| Thus owing to the above mentioned advantages, the | | | | This system of CO2 guns has been used in the non |
| guns are more simply constructed with CO2 than | | | | lethal weapons for law enforcements on an |
| using a pressurized air reservoir. The reservoirs of the | | | | experimental basis. Few examples of this is bean bags |
| CO2 powered guns are fixed or detachable that is | | | | out of a launcher that is gas powered, non lethal |
| loaded with a pressurized gas from a large cylinder. | | | | shotgun system with lower velocities or rubber batons |
| The standard 12 gram powerlet disposable cylinder | | | | launched with high power delivery systems. |
| that was invented by Crosman is used in most of the | | | | |