Springer Precision EZ CZ Tactical Sport 9mm or .40 S&W base pad Black. These won't work on the CZ Tactical Sport .40 S&W 10 round magazines.
EZ CZ base pads are CNC machined from aluminum and hard anodized. They extend the CZ Tactical Sport magazine making for easier and more reliable magazine changes. The Springer Precision base doesn’t add any capacity to the magazine. Perfect for IPSC and USPSA.