This aim sports msr ar grip is designed specifically for california featureless ak rifle configuration.It features a removable backstrap/backfin with roll pin for permanent application.The grip is constructed of high density, durable, lightweight polymer with subtle texturing on the sides, with front and back serrations.It also features a steep angled design with care attention to ergonomics and a hollow interior which uses short ar grip screw.Type: GripModel: FeaturelessFinish: TexturedMaterial: PolymerColor: Black