This air tank is intended for use with HPA Systems. It can be used for airsoft or paintball setups. Most players use this with a remote line (not included). Made of lightweight aluminum with built in pressure gauge. It is Globally Certified which means it has been approved for sue in USA, Canada, and Europe. You can expect to get about 1900 shots per fit with a Tippman M4 Airsoft gun, or 450-850 shots with a paintball gun.