Walther Pistol Magazine PDP PRO SD Full Size 9mm 18 Round Black 1 Pack Aluminum 18RD. Do not use on the PDP Compact Q5 Match Q4 PPQ. Specifications for Walther PDP PRO SD Full Size 9mm 18 Round Pistol Magazine: Manufacturer: Walther Gun Make: Walther Gun Model: Walther PDP Pro SD Caliber: 9mm Luger Magazine Capacity: 18 Round Color: Black Condition: New Fabric/Material: Steel Features of Walther PDP PRO SD Full Size 9mm 18 Rounds Pistol Magazine PDP Full-Size Pro series of pistols. Package Contents: Walther PDP PRO SD Full Size 9mm 18 Round Pistol Magazine What firearm models does the manufacturer say Walther PDP PRO SD Full Size 9mm 18 Round Pistol Magazine is compatible with? The manufacturer suggests that Walther PDP PRO SD Full Size 9mm 18 Round Pistol Magazine is compatible with Walther PDP Pro SDWalther 2864789-18RD: Pistol Magazine PDP PRO SD Full Size 9mm 18 Round Black 1 Pack Aluminum