IMI Defense M16/AR15 EG Overmolding Grip Black. Built-In Storage with Removable Battery storage tube. Specifications for IMI Defense EG Over Molded Pistol Grip: Manufacturer: IMI Defense Finish: Matte Gun Make: AR Platform Gun Type: Rifle Gun Model: AR-15 Material: Polymer Fabric/Material: Polymer Features of IMI Defense EG Over Molded Pistol Grip Made of high-quality fiber-reinforced polymer compound Highly durable battery storage Perfect for tactical rifles Waterproof o-ring sealed battery compartment Package Contents: IMI Defense EG Over Molded Pistol Grip What firearm models does the manufacturer say IMI Defense EG Over Molded Pistol Grip is compatible with? The manufacturer says that IMI Defense EG Over Molded Pistol Grip is compatible with AR-15 M16 M4IMI Defense IMI-ZG108BLACK: M16/AR15 EG Overmolding Grip Black