The Harris Engineering 1A2-BR Bipods are quick detachable and clamp to the sling swivel stud (adapters available).  Ultralight at just 9.8 oz.  Telescopic Legs are spring-loaded for fast deployment and extend from 6” to 9”. Legs fold parallel to base for transportation. • Adjustable legs with spring return. • Available with Standard Legs or Notched Legs (1 inch increments) • 100% Made in the USA