Walther .40 P99 Magblock 10 Round Limiter

This Magblock fits the Walther P99 12 round magazines and will limit them to 10 rounds of .40.
-  Easily installed in seconds under the follower as shown. It is held in place with spring tension alone or can be glued or epoxied if required.
-  Simple install to make 10 round Walther P99 Magazines.
-  No external modification to the magazine is required.
-  Lightweight and will not interfere with magazine reliability.