Year after year, ProMag has solidified its position as one of the leading manufacturers of firearms magazines worldwide. Trusted by gun enthusiasts and law enforcement personnel alike, ProMag is the reliable choice for all shooting activities whether for recreational "plinking," competitive shooting or law enforcement use. The 50-round drum magazine for the Heckler & Koch VP9 pistols in 9mm is a standout product, constructed from proprietary DuPont Zytel-based polymer for enhanced durability. It features an injection-molded magazine follower and a spring made from chrome-silicon wire, heat-treated for optimal strength and reliability. With ProMag, you can shoot with confidence, knowing each magazine is backed by a lifetime guarantee if you encounter any issues, simply return it for a hassle-free replacement. Choose ProMag for performance and reliability you can depend on.