Year after year, ProMag has increasingly become one of the leading manufacturers of firearms magazines in the world. Gun enthusiasts and law enforcement personnel have agreed, be it for recreational "plinking," competition shooting or law enforcement, ProMag is the source you can count on.
This is a ProMag 50-round drum for the XD40 .40cal pistol. It is constructed from heat-treated blued steel and features components molded from proprietary TECHNAPOLYMER and an anti-fatigue spring, so you can keep the magazine loaded and ready for up to six years without concern. ProMag magazines include a lifetime guarantee, if you ever have a problem with their magazines, simply return them to ProMag for replacement.