This is a Leapers, Inc. - UTG Vertical Foregrip known as the New Gen, model RB-FGRP172B.
The Leapers UTG New Gen Combat Foregrip with Concealed Compartment has well contoured finger grooves for the most solid grip. With an ambidextrous design" fatigue-free thumb rest and trigger finger shelf" this weapon accessory will have you shooting with great comfort in all firing positions. This Leapers weapon accessory also has a concealed compartment for storage of the most needed accessories and parts such as bore snakes" batteries and tools such as an Allen wrench. The Leapers UTG Gen Combat Foregrip with Concealed Compartment is also molded from unbreakable" impact resistant advanced polymer.
Features:
Black finish
Symmetrically Shaped Palm Swell
High Tech Texture
Slip-resistant Finish
Storage
Fits Picatinny
Impact Resistant Advanced Polymer