This T68 Law Enforcement Large Size Package comes with everything you need to fulfill your training needs. The package comes with an optional compress air or CO2 air refill system that allows your department to be self sufficient to refill your own air tanks. This package comes with a portable bulk air tank that you take to your local fire department to have your bulk air tank refill.  Each T68 paintball gun comes with a rebuilt kit and 5 years manufacture warranty to keep your training regiment running everyday non-stop.