CZ Custom CZ Base Pad Czech Mate/Tactical Sports 140mm 3 Round Magazine Extension Black. Aluminum extended base pads for the 40 S&W TS These new base pads should be used in conjunction with the CZC Follower and Magazine Spring 10522 SPRS Locking system makes dis-assembly easy and quick. Can be used on the TS 9mm but will NOT increase the capacity. The ribs on the TS 9mm mags will catch on the cartridge and or follower. Unless you are using the new CZC Spring and Follower 10522. Specifications for CZ Custom CZ Base Pad Czech Mate/Tactical Sports 140mm 3 Round Magazine Extension: Manufacturer: CZ Custom Color: Black Fabric/Material: Aluminum Magazine Capacity: 3 Round Caliber: .40 S&W Gun Make: CZ Gun Model: CZ 75 TS Czechmate CZ 75 Tactical Sport Gun Type: Pistol Package Contents: CZ Custom CZ Base Pad Czech Mate/Tactical Sports 140mm 3 Round Magazine Extension What firearm models does the manufacturer say CZ Custom CZ Base Pad Czech Mate/Tactical Sports 140mm 3 Round Magazine Extension is compatible with? The manufacturer says that CZ Custom CZ Base Pad Czech Mate/Tactical Sports 140mm 3 Round Magazine Extension is compatible with CZ 75 Tactical Sport CZ 75 TS CzechmateCZ Custom 10090: CZ Base Pad Czech Mate/Tactical Sports 140mm 3 Round Magazine Extension Black