US Army Project Salvo Paintball Marker Gun Officially licensed product of the US Army, All aluminum die cast receiver, 11" Quick Thread barrel (98 threads) AR style barrel shroud with four picatinny rails, Picatinny flattop rail, AR style collapsibe and folding stock Stainless steel gas line, Proven high performance in-line bolt system, Compatible with 98 Custom Series Response Trigger Kit and 98 Platinum Series Flatline Barrel Compatible with Alpha Black Egrip Kit and Cyclone Feed Upgrade Kit, AR style mock magazine with storage compartment, Removable and adjustable front and rear sights Front sling mount, Sub 3 pound trigger pull, Maintenance pack includes allen wrench set, spare tank o-ring, lubricant, cleaning cable and approved barrel sleeve.