Harris bipods clamp to most q.D.Stud equipped bolt action rifles and 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. Description: Bipod Type Of Feet: Rubber Material: Steel/Aluminum Vertical Adjustment: 9-13 Weight: 13 oz Attachment Type: Swivel Stud No. Of Legs: 2.