Buy the XTech MAG-ADAPT WPC-18 magazine sleeve with a Walther PDP 18-round magazine in one quick purchase. Our new Walther PDP Compact magazine sleeve gives the perfect support to instantly transform your pistol when using the longer 18 round magazines. Shooters needing better control and a higher ammunition capacity will love the precise control and improved accuracy it provides, plus a higher load. This combo, which includes the 18-round magazine and XTech Tactical high-quality magazine sleeve, meets both needs. The larger grip is ideal for more secure control and accuracy in all shooting situations, and the extension easily slides onto the 18-round magazine without tools or a complex process. If you want more rounds available for personal defense, or exchange magazines less at the range, the XTech MAG-ADAPT WPC-18 magazine sleeve with a Walther PDP 18-round magazine is the perfect choice. XTech Tactical offers ideal ergonomics in the best extended magazine for the Walther PDP Compact Extended Mag 9MM. We can ship to all markets except those listed below. The XTech MAG-ADAPT WPC-18 magazine sleeve is also offered separately here. WILL NOT SHIP TO CA, VT, CO, DE, MD, MA, NJ, NY, DC, CT, HI, WA or INTERNATIONAL.