The Harris Engineering S-L Bipods are quick detachable and clamp to the sling swivel stud (adapters available).  Swivels (tilts) 45° to compensate for uneven terrain. Has a built in sling swivel stud to attach the sling. Telescopic Legs are spring-loaded for fast deployment and extend from 9” to 13”. Legs fold parallel to base for transport. • Adjustable legs with spring return. • Available with Standard Legs or Notched Legs (1 inch increments) • 100% Made in the USA