VISM AR Rubber Ergonomic Grip w/Core Black. Improves trigger operation reduces wrist fatigue and develops better rifle control.With no 'beavertail' it is an excellent choice for those that prefer a smaller grip circumference.Storage compartment with tight-sealing door for batteries and cleaning supplies.Made of rubberized over molded high quality polymer. Specifications for VISM AR Rubber Ergonomic Grip w/Core: Manufacturer: VISM Color: Black Gun Make: AR Platform Gun Model: AR-15 Material: Rubber Fabric/Material: Rubber Package Contents: VISM AR Rubber Ergonomic Grip w/Core What firearm models does the manufacturer say VISM AR Rubber Ergonomic Grip w/Core is compatible with? The manufacturer suggests that VISM AR Rubber Ergonomic Grip w/Core is compatible with AR-15VISM VG106: AR Rubber Ergonomic Grip w/Core Black