FN 509 Subcompact 10/12 (9 mm)

This Magblock fits the FN 509 Subcompact 12 round magazines and will limit them to 10 rounds.  Easily installed in seconds at the base of the magazine. It is held in place with spring tension alone or can be glued or epoxied if desired.

-Simple install to make 12 round FN 509 Magazine 10 rounds.

-No modification to the magazine is required.

-Lightweight and will not interfere with magazine reliability.