Picatinny Rail Swivel Mount Bipod 9" to 11" Adjustable Height with Steel Stand for SWAT Combat Rifle Sniper Profile High Tech Durable Aluminum construction. Unique Posi-lock to Prevent Tipping. Clever Dual Mounting - Picatinny Mount and Swivel Stud Mount. Tactical Low Profile for Versatile Applications. Panning with approx 9" to 11" Adjustable/Foldable Height and Steel Stand.