New for 2020 the Harris S-BRMP 6-9" Leg Notch Bipod eliminates the need for a sling stud and attaches directly to a Picatinny rail.Extends from 6" to 9"Direct attachment to aPicatinny Rail onlySwivels(tilts) to compensate for uneven terrainNotched Legs are spring loaded for fast deploymentUltralight weight - 13 ozHas a built-in sling swivel stud to attach the slingMost useful for shooting off the bench100% Made in the USA