Rival Arms RA70G001A Mag Baseplate 9mm Luger/40 S&W/357 Sig, Compatible w/Glock (except 36/42/43/48), Black Aluminum

The Rival Arms Mag Baseplate increases weight at the bottom of your Glock magazine and aid in faster magazine changes as well as adding felt weight. It effectively reduces felt recoil and creates a more balanced firearm. The plate is cnc machined from aluminum with a hard anodized finish. *Note- not compatible with Glock 36/42/43/48 models.