Ade Advanced Optics 2 Combo! Tactical Adjustable 9"-12" Foldable Sniper Hunting Rifle Bipod Picatinny Carbine. + Barrel Mount Attaches to any Picatinny or Weaver Style Rail. Compact Size with Adjustable Heights of 9' to 12"inches Aircraft Grade Aluminum and Solid Steel Construction. Each Bipod Leg folds individually and locks in place Spring Loaded Legs Deploy using the Knurled Retention Rings. Rubber Pod Feet provide Extra Stability against slipping Include an extra barrel mount! $10 value!