Check the listing for details. Harris BiPod 13.5-25 Inch Hinged Based 11228 S-25C. Condition: New. Listed at 126.95 USD. Ultra-light Harris Bipods are lightning quick and quality manufactured with heat treated steel and hard alloys. The bipods are quick-detachable and clamp to the stud of bolt action rifles with conventional stock design. Carrying your rifle with a sling or shooting off-hand is not impeded by the use of a Harris Bipod. Hinged bases have tension adjustment to eliminate tremor or looseness in the crotch area of the bipod. Bipods have an all-weather black anodized finish. Features: Friction Lock Models:These are all models except those with an M in the model designationFeature a friction lock or set screw to adjust heightSet screw has a large knurled knob for easy operationSimply loosen the friction lock to extend leg and tighten to lock in placeTechnical Information: Harris S-25C Bipod Sling Swivel Stud Mount 13-1/2" to 27" Material:Aluminum Alloy and steelHard Rubber Leg Caps3 Piece legsFinish: Anodized BlackWeight: 19 ouncesMethod of Attachment: Attaches to sling swivel stud. A sling swivel can be mounted to the bipod's swivel stud clamp.Notes:Rotates to either side for leveling on uneven groundMost suitable for shooting from the sitting position or kneeling (at full extension)May not fit all guns; adapters available separatelySwivel ModelsThese are the models with S in the designationHinged base has tension adjustment and buffer springs to eliminate tremor or loosenessAvailable for all models except H models