TipTop&reg; Tactical Rifle Bipod Quicklock EZ Pivot & PAN QD 9" - 13": Picatinny Mount, Quick Action, Extendable, Folding, with Sling-attached Hole. PN#S9-94673 Quickest one-step attached and detached for Picatinny (patent pending QuicklokTM ) Durable design for managing recoil for long range shooting. Stable, Light Weight, Sling-attached design; all-weather no-rust black anodized finish Allow rifle to perform both Pivoting for uneven terrain & Horizontal scanning (Pan) simultaneously Pivoting to 38 degree and Panning to 74 degrees. One of the kind that support both Pivot and Pan using one tension lever. Direct mounts to Mil Std1913 Picatinny rail without using bipod adaptor.