The IMI Defense FSG1 –Front Support Grip is a lightweight, highly durable fore grip that provides ergonomically optimized to reduce muscle fatigue, speed target acquisition, lower the recoil and increase rifle control.
It is the only kind of a grip on the market that is designed to continuously merge with the AR15/M4 magazine well.

IMI Defense FSG - Front Support Grip (TAN)
Made of high quality fiber reinforced polymer compound.
Highly durable one-piece design.
Fits any 1913 rail, no installation tools required.
Designed to continuously merge with the AR15/M4 magazine well.