Champion 13.5-23" Pivot Bipod40857 Pivot Bipod Adjustable 13" 23" Model: 40857 Pivot Bipods Where the game goes, so can your aim. Our Pivot Bipods with rapid adjust lever, smoothly change angles and positionsmaking target acquisition quicker and easier on any type of uneven terrain. Features & Benefits Compact and lightweight No assembly required Extends quickly and easily Easily attaches to sling swivel stud of most bolt action rifles Telescoping legs have spring return Pivot