This tactical vertical fore-grip has a built-in stable bi-pod .
Steel Inserted Leg
Side picatinny rail for attaching accessories such as laser or flashlight.
Push the Button to unlock Bipod Legs, and retract the legs by pushing back in. It mounts directly to Weaver/Picatinny rail systems.Can be used as a foregrip as well.Color: FDE Flat Dark EarthMaterial: Fiber PolymerMount: 20mm, fits most Weaver/Picatinny RailsDeploy Height: 8 1/2" (22cm)Length of each leg: 4" (10cm)Closed Length: 6 1/4" (16cm)Weight: Approx 6.8 ounce (193g)