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.
Make sure you select the proper manufacturer/brand (Magpul / OEM ) before buying.
Total PMAG 17rd magazine height with extension: 143mm
