Mecgar Smith & Wesson 5900 Series Magblock 10/17 (9mm)

This Magblock fits the Mecgar Smith & Wesson 5900 Series 17 round 9mm magazines and will limit them to 10 rounds.  Easily installed in seconds at the base of the magazine, and It is held in place with spring tension alone or can be glued or epoxied if desired.

-Simple install to make 10/17 Mecgar S&W 5900 Series magazines.

-No modification to the magazine is required.

-Lightweight and will not interfere with magazine reliability.