The Magpul bipod for A.R.M.S.17S Style is constructed of Mil-spec hard anodized 6061 T-6 aluminum, stainless steel internals, and injection-molded reinforced polymer. It is designed to be used in conjunction with an appropriate 17S-style mounting device that is purchased separately and is used for proper mounting to your weapon system of choice. Deploying and adjusting it is quick and easy. Spring-tensioned legs stow neatly forward and snap down and lock into place with one hand. The legs extend a full four inches, from 6.3″ to 10.3″. It can tilt up to 50 degrees and pan up to 40 degrees. Additionally, the Magpul Bipod has the exclusive ability to lock pan at 0 degrees while maintaining full tilt functionality. A soft rubber bipod locking knob cap is attached to the locking knob gives users a steady, non-marring forward rest while the bipod is folded. Should users choose to change feet, the Magpul Bipods legs accept most Atlas pattern bipod replaceable feet, except for the Atlas 5-H style.