The Harris 1A2-BR2 Bipod Sling Swivel Stud Mount allows the shooter to quickly set up on uneven surfaces and adjust the leg height without leaving their position. The Bipod is self leveling and just takes a simple twist of the locking mechanism to keep it in position. FeaturesExtends from 6" to 9"Quick Deploy spring loaded self-leveling legs Solid BaseAttaches to the Sling Swivel StudUltralight weight - 11 ozMost useful for shooting off the bench.