> This paintball kit is recommended to use with electronic paintball guns and mechanical paintball guns. If your gun uses a battery, this is the kit we recommend to start with. If you are looking for a more entry level beginner paintball kit to use with a mechanical paintball gun (no battery inside the gun) then this is the Starter Paintball Kit with CO2. This beginner paintball kit Includes- -HK Army HSTL Thermal No Fog Mask (Shop Other Masks) -200 Round Basic Gravity Feed Hopper 68 Caliber (Shop Other Hoppers) -HK Army 48 3000 PSI Compressed Air Tank (800 Shots Per Tank) (Shop Other Air Tanks) AIR TANK IS SHIPPED EMPTY