Product DescriptionAdapts HK P30 HI-CAPACITY mags to fit in the HK USP Compact.
The X-Grip Mag Extension for the HK USP Compact lengthens the grip area to give you a more effective grip on it’s smaller frame, plus it increases the round capacity to 15 rounds in 9mm and 13 rounds in .40 cal. by adapting the HI-CAPACITY HK P30 magazines for use in the HK USP Compact model. Easy to install with no tools required… Simply slide it over the top of the longer magazine to fill in the gap where the magazine sticks out of the frame which enhances the look as well as your grip. Works great for conceal and carry use. Made of durable elasticized polymer, which is soft to the touch.