Harris bipods have a sling attachment provision.Spring loaded folding legs are quickly adjustable for height.Manufactured with heat treated steel and hard alloys bipods have a black anodized finish.This model has notched legs with a swiveling head to compensate for uneven terrain.Type Of Feet: RubberMaterial: Steel/AluminumVertical Adjustment: 9-13"Weight: 15 ozAttachment Type: M-LOKNo. Of Legs: 2