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.Features :Black finishPolymer grip with finger groovesCompatible with most ambidextrous safety leversFits AR-15