WPZ G917 Mag Extension (2 pack)

The WPZ 917 Mag Extension is a complete base plate replacement. At just16g, this grippy mag extension stops butter-finger fumbles—no clown college needed. Your pals might still call you “Dropzilla,” but we’re not here to fix that—call a hotline.

Compatible with Magpul PMAG GL9 Glock 17 Magazines

Total PMAG 17rd magazine height with extension: 143mm