IMI Defense IVG Interchangeable Vertical Grip FDE. The Grip can be shortened or lengthened via a screw in section. Specifications for IMI Defense IVG Interchangeable Vertical Grip: Manufacturer: IMI Defense Finish: Matte Gun Make: AR Platform Gun Type: Rifle Gun Model: AR-15 Material: Polymer Fabric/Material: Polymer Length: 5 in Weight: 105 g Grip Type: Rifle Features of IMI Defense IVG Interchangeable Vertical Grip Made of high-quality fiber-reinforced polymer compound Grip can be shortened or lengthened via screw section Highly durable Fits any 1913 rail no installation tools required Waterproof o-ring sealed battery compartment 2 stage length modularity Package Contents: IMI Defense IVG Interchangeable Vertical Grip IMI Defense 96657: IVG Interchangeable Vertical Grip FDE