Advanced Pressure Systems offers the 15,000 psi series of hand-operated control guns, using the industry standard cartridge style dump valve. These guns have been carefully designed to incorporate all the features that are demanded by experienced operators. Features: The cartridge valve enables the gun to be rebuilt in the field in 30 seconds or less, thus minimizing downtime and increasing productivity The cartridge valve also keeps the trigger force to a minimum, reducing operator stress These guns are lighter in weight (13-15 lbs depending on the barrel diameter), resulting in less operator fatigue The adjustable comfort-contoured shoulder stocks front hand grips contribute to ease of use for operators, tending to diminish fatigue These guns come standard with 48" front barrels for operator safety All working components are stainless steel for corrosion resistance and durability