GMFG, Magasinbotten Glock med Picatinnyinfästning

FAB Defense Glock Magazine Frame Picatinny Attachment - FDFX-GMFG

The GMF-G Glock Magazine Frame Picatinny Attachment mounts spare magazine to your Glock underside front accessory rail where it serves both as comfortable foregrip and as spare magazine. 

Advantages:
Enables Rapid, Additional Magazine Change Option to Your Glock Pistol
Quick-Release Mounting Device Attaches to Spare Magazine Buttplate
Easy to Fit & Operate
Durable, Lightweight Polymer Construction
Enhances Overall Tactical Pistol Performance and Versatility

Compatibility:

Glock models - 17, 17L, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35.