Walther Pistol Magazine Hammerli TAC R1C .22 30 Round Black 1 Pack Polymer 30RD. Specifications for Walther Hammerli TAC R1C .22 30 Round Pistol Magazine: Manufacturer: Walther Gun Make: Walther Gun Model: Walther Q4 TAC Caliber: .22 Long Rifle Magazine Capacity: 30 Round Color: Black Fabric/Material: Polymer Gun Type: Rifle Package Contents: Walther Hammerli TAC R1C .22 30 Round Pistol Magazine What firearm models does the manufacturer say Walther Hammerli TAC R1C .22 30 Round Pistol Magazine is compatible with? The manufacturer says that Walther Hammerli TAC R1C .22 30 Round Pistol Magazine is compatible with Walther Q4 TACWalther 576630-30RD: Pistol Magazine Hammerli TAC R1C .22 30 Round Black 1 Pack Polymer