This replacement or spare magazine is compatible with your hk vp9.Caliber: 9mm LugerCapacity: 17rdModel: VP9Material: SteelModel Fit: VP9Brand Fit: H&KCapacity: 17
This replacement or spare magazine is compatible with your hk sp5k.Caliber: 9mm LugerCapacity: 30rdFinish: BlackModel: SP5KMaterial: SteelType: ReplacementModel Fit: SP5KBrand Fit: H&KCapacity: 30