Why do air guns use CO2 cylinders and not cylinders using regular air? It seems that using regular atmospheric air would be cheaper instead of carbon dioxide. - Quora
![Mini CO2 Gas Cartridges, CO2 Gas Cylinders & Cartridges Stock Photo, Picture and Royalty Free Image. Image 94513398. Mini CO2 Gas Cartridges, CO2 Gas Cylinders & Cartridges Stock Photo, Picture and Royalty Free Image. Image 94513398.](https://previews.123rf.com/images/laur7410/laur74101801/laur7410180101247/94513398-mini-co2-gas-cartridges-co2-gas-cylinders-cartridges.jpg)
Mini CO2 Gas Cartridges, CO2 Gas Cylinders & Cartridges Stock Photo, Picture and Royalty Free Image. Image 94513398.
![Small CO2 Tanks for Inflatable Life Jacket and 33 Gram Gas Tanks with Good Quality and Low Price - China CO2 Tank, 33G CO2 Gas Tank | Made-in-China.com Small CO2 Tanks for Inflatable Life Jacket and 33 Gram Gas Tanks with Good Quality and Low Price - China CO2 Tank, 33G CO2 Gas Tank | Made-in-China.com](https://image.made-in-china.com/2f0j00UuLqAKYhfmco/Small-CO2-Tanks-for-Inflatable-Life-Jacket-and-33-Gram-Gas-Tanks-with-Good-Quality-and-Low-Price.webp)
Small CO2 Tanks for Inflatable Life Jacket and 33 Gram Gas Tanks with Good Quality and Low Price - China CO2 Tank, 33G CO2 Gas Tank | Made-in-China.com
![Small steel vial, it looks like a small Co2 cartridge (about 3/4 the size of a Co2 cartridge). The cap is threaded and a alloy. The cap does not look like it Small steel vial, it looks like a small Co2 cartridge (about 3/4 the size of a Co2 cartridge). The cap is threaded and a alloy. The cap does not look like it](https://preview.redd.it/a2e03wnewej71.jpg?width=640&crop=smart&auto=webp&s=12607f5f5e77a2330b6539e3bcfdcb75347198e6)