The strike industries extended magazine plate for hk vp9 was designed to provide smoother magazine reloading through a slow drag / no snag design while maintaining maximum magazine capacity.The extended magazine plate (emp) adds plus 5 9mm rounds to oem heckler & koch magazines.Following the success of our emp systems for pistols, the form factor and unique geometric design gives a unified and aggressive aesthetic look to your hk vp9.Included is a steel locking plate which adds extra locking security.Give your hk pistol the extra rounds it deserves with the strike industries extended magazine plate (emp) for heckler & koch vp9.Caliber: 9mm LugerCapacity: 5rdModel: Enhanced Magazine PlateMaterial: PolymerCapacity: 5