X-GRIP Magazine Spacer, Fits HK P2000, 9MM/.40/.357, Flat Basepad Magazines, Black Finish HK2000SK-P30 This XGRIP adapts the HK P30 high capacity magazine for use in the P2000SK" incorporating the larger magazine into the P2000SK's grip and increasing the gun's capacity to 15 rounds in 9mm and 13 rounds in 40 cal.