Ultra-light Harris Bipods are manufactured with heat treated steel and hard alloys. They clamp to the Q.D. stud of most bolt action rifles that have a conventional stock design. Carrying your rifle with a sling or shooting off-hand is not impeded by the use of a Harris Bipod. Folding legs have completely adjustable spring-return extensions (Except for Model BRM and LM). Black anodized finish. Technical Information Material: Aluminum Alloy with some Steel Parts - Hard Rubber Leg Caps - Finish: Anodized Black - Height: 13 to 23 - Weight: 12 ounces - Method of Attachment: Attaches to sling swivel stud. A sling can be attached to the swivel stud clamp on the bipod. - Notes: - Most suitable for prone or sitting shots. - May not fit all guns; adapters available separately.