Lion Gears 8.25"-12.25" Scout-Pod Cuboid Spring-Lock Folding Bipod w/ Swivelable Pivotable Mounting Full Metal Cuboid Legs with Spring Tension Easy Pull and Auto-Retractable Legs, 7.5" to 12.5" Pivoting and Swivel Mounting Deck for Flexible Position-Adjustment Dual Lock Quick Release Mounting Base to Fit on Any Picatinny/Weaver Rail Non-slip Rubberized Feet for Any Terrain or Surface