Foldable & Adjustable height Vertical Forward Foregrip For Picatinny Rail

Folding vertical grip locks into 2 different positionsAdjustable height 3.8" - 5.1" (Can be stretched, with rebound button)Easy to install – Slide the grip onto the Picatinny/Weaver style rail an tighten the single allen boltStorage compartment in the bottom of the gripConstructed of heavy duty polymerColor: OD GREENMaterial: PolymerWeight: 3.5ozHeight: 3.8" - 5.1" (Adjustable)