This compact size precision grade bipod with smooth tension legs mounts directly onto most sling swivel studs. It includes three adapters for flexible installation. An AR-15 GI handguard adapter, universal rifle barrel mount and Weaver/Picatinny type rail adapter with sling stud. Features: Black finish Spring loaded folding action Rubber pod feet for stability Compact size model (5.5 to 8 inches) Smooth tension legs