Proto SLG UL Paintball Marker The Proto SLG Ultralight uses Patented Spool Valve technology to increase rate of fire and keep operating pressures low; This means you can shoot fast and have less recoil and sound signiture Aluminium body, and includes a 1 piece Proto barrel, a Hyper 3 regulator, a clamping feedneck, and an aluminum trigger All new Self Closing Valve 2 piece Bolt Multifunction self lubricating force bottom makes it easy to clear jams or cock the Paintball Marker This item is not for sale in some specific zip codes