Unequaled quality meticulous engineering and impeccable design are just a few of the reasons why Proto is the first name in paintball. The new Proto SLG Ultralite includes patented Spool Valve Technology which allows the gun to operate more consistently at lower operating pressure giving you 1500 shots on a 68 4500 air tank. In addition the new multifunction selflubricating Force Button allows clearing the bolt without tools acts as a cocking mechanism and prevents unsafe disassembly of the marker when gassed up. The SLG Ultralite comes standard with the new Hyper3 InLine Air Regulator featuring higher flow more consistency and smoother velocity adjustment. Regular maintenance and cleaning are easy with onetoolonescrew bolt breakdown. The Proto SLG Ultralite consists of solid construction using hardened steel sear aluminum body and bolt and a composite Ultralite frame and aluminum trigger. All this adds up to a tournament grade package you can afford !Features:Single Piece 11? Proto BarrelNew Increased Flow Hyper3 Inline Air RegulatorAntichop Break Beam Eye SystemSuper Low 145psi Operating PressureCompact and Lightweight Single Tube Body Styling Weighing in at only 2lbs 2oz!Proto DualDensity Injection Sticky GripLED Program Control with Four Tournament ModesComposite Ultralite FrameAll New Self Closing Valve SCV 2 Piece BoltUltralite Aluminum TriggerProto BottomLine with DovetailNoRise Clamping FeedNeckMultifunction SelfLubricating Force Button Bolt SilencerOrbital Rotating Sear Reduces Wear