The Sun Optics Lightweight Quick Detach Rifle Bipods have been designed to provide you with an incredibly stable platform on which to shoot. This Bipod from the experts at Sun Optics USA has an extra long mounting platform and a large diameter mounting bolt for enhanced durability. Heavy duty construction, attaches to any sling swivel stud. 9 inch to 13 inch height range with 10 notched height settings in .500 increments. Bipod tilts left or right for use on uneven ground and to keep scope reticle level. Knurled thumb nut locks swivel mechanism in place when needed. One hand height adjustment, spring eject legs, folds for easy carry.