IMI Defense M4 Overmolded Polymer Grip FDE. Specifications for IMI Defense M4 Overmolded Polymer Grip: Manufacturer: IMI Defense Finish: Matte Gun Make: AR Platform Gun Type: Rifle Gun Model: M4 Material: Polymer Grip Type: Rifle Fabric/Material: Polymer Features of IMI Defense M4 Overmolded Polymer Grip Made of high-quality fiber-reinforced polymer compound core over-molded with an anti-slip added friction rubber exterior. Very slim design. Highly durable. Perfect for tactical rifles. Fits M16/M4/AR15 style rifles Package Contents: IMI Defense M4 Overmolded Polymer Grip What firearm models does the manufacturer say IMI Defense M4 Overmolded Polymer Grip is compatible with? The manufacturer says that IMI Defense M4 Overmolded Polymer Grip is compatible with M4IMI Defense IMI-ZG103FDE: M4 Overmolded Polymer Grip FDE