This is a Leapers, Inc. - UTG Vertical Foregrip known as the Low Profile, model MNT-GRP002SQ.
The folding version of their quick detach vertical AR-15 foregrip allows shooters to fold the grip up and out of the way when not needed. The aggressively textured knurling enhances the grip" and a quick detach throw lever makes it easy to install and remove from your Picatinny rail equipped rifle.
Features:
Black finish
4.7 in height;Verical foldable and low profile foregrip
Fits on any Picatinny/Weaver rail
