The Harris S-BR2 Bipod M-Lok Mount 6"-9" is most useful for shooting of the bench. This compact and light bipod raises the barrel height from 6 to 9 inches. The bipod provides a quick deploy, spring loaded with self-leveling legs.FeaturesExtends from 6" to 9"Direct attachment to a MLok Handguard onlySwivels (tilts) to compensate for uneven terrainQuick Deploy spring loaded with self-leveling legsUltralight weight - 11.3 ozHas a built-in sling swivel stud to attach the slingMost useful for shooting off the benchUses a 1/8 hex key (not included)