Innovative Accessory can be used as an ergonomic foregrip even without the magazine inside
Hold a spare magazine at the front for ready to use
Quick Release button - fit for any 20mm Picatinny Standard Rail System, just slide the grip onto the rail
Backup Locking Screw - Should you decide to lock it in place when not using the quick release mechanism
Magazine release button - release the magazine

IMPORTANT NOTES: this adaptor fits for PMAG / M4 Type Magazine very tightly, some modification might be require before used.

AR15 / M4 / M16 QD Foregrip Magazine Adaptor
-- Ready Magazine System for spare M4 Magazine
-- Act as ergonomic foregrip even the magazine is not inserted
-- Coyote Brown  Color Version