Leapers, Inc. - UTG UTG PRO, Ambidextrous Grip, Built in Storage Compartment, Fits AR-15, Black RBUPG01B This is the UTG Pro ambidextrous pistol grip for the AR-15. The ergonomic symmetrical palm swells reduce fatigue and improve handling comfort. Its nonslip textured beavertail" palm swells and finger grooves provide for a secure and repeatable grip. It features a built in storage compartment with a removable end cap for small parts" batteries and or other accessories.