Utg bipod recon flex m-lok matte blk center h 8.0"-11.8" FEATURES:Fully Adjustable Legs7 Precut Extendable LengthsFlexible In-between PositionsCenter Height Adjustable From 8.0" to 11.8"Requires the Length of 2 M-LOKA(R) Slots Per LegEquipped with Textured Nonslip Rubberized Foot Pads Other Features: Directly attaches to handguard , locking thumb wheel, precut, flexible locking positions, rubberized footpad, spring loaded slide locking ring