This is a Hogue Rifle Grip known as the AR15 15 Degree Vertical, model 13100.
Hogue's AR-15/M16" 15-Degree Vertical Pistol Grip" Without Finger Grooves" is the lightest AR pistol grip available weighing a mere 1.6 oz. The grip has a hollow interior for lightweight efficiency. It is molded from durable polymer to provide many years of dependable service.
Features:
COBBLESTONE texture is an efficient non-slip non-irritating stippling pattern;15-degree angle provides and effortless positioned grip advantage
