One of the finest tanks on the market! Yields over 300 shots(.68 cal)(can vary significantly by gun type, shooting style, elevation and other atmospheric conditions). Features a lightweight, yet durable aluminum cylinder fitted with the valve with integrated safety burst disk. This tank is designed to last on rentals or as a personal tank. Be careful of cheaper tanks that use an inferior valve that may leave after a short time. This tank features a 1 year 'no leak' manufacturer's warranty.