Hogue's AR/M16 Overmolded Rubber Pistol Grip with Finger Grooves and Beaver Tail is manufactured by merging a durable fiberglass core with the soft comfort of rubber overmolding. Hogue's overmolding process creates a desirable pistol grip that provides the ultimate comfort along with weapon control. Hogue Overmolded pistol grips for the AR-15 platform are specially designed to retain the important lines and aesthetics of the AR and the rubber overmolding works great with either a gloved or bare hand. The overmolding process creates durable comfortable grip that will last you for many years to come.