Pmag 17 GL9 Magblock 10 Round Limiter 10/17

This Magblock fits the Magpul Pmag 17 GL9 magazines used in 9mm Shadow System DR920  and will limit them to 10 rounds. Easily installed in seconds under the magazine follower. It is held in place with spring tension alone or can be glued or epoxied if desired.

-Simple install to make 10/17 Shadow System DR920 magazines.

-No modification to the magazine is required.

-Lightweight and will not interfere with magazine reliability.

-Patented Design