Leapers Inc UTG Combat Foregrip has a fatigue-free thumb rest, finger grooves, and an end cap for battery storage. Features: Well contoured finger grooves for most solid and repeatable grip Ambidextrous design with fatigue-free thumb rest and trigger finger shelf offers great shooting comfort in all firing positions Symmetrically shaped palm swell and high tech texture with slip-resistant finish for great handling and hand support Creative ergonomic design with angled grip for best overall control and most reliable performance Smart end cap conceals storage for most needed accessories and parts Mold from unbreakable, impact resistant advanced polymer