Magpul Bipod M-LOK black constructed of lightweight mil-spec hard anodized 6061 T-6 aluminum, stainless steel internals, injection-molded reinforced polymer low-profile design optimized for rapid one-handed adjustments spring-tensioned legs stow neatly forward and snap down lock into place with one hand leg extensions slide lock securely with the push of button legs extend full 4", from 6.3" to 10.3" 50oF total tilt 40oF total pan are controlled by tool-less Bipod locking knob staggered soft rubber feet hold fast on variety of shooting surfaces are easily removed with roll pin punch legs accept all Atlas pattern Bipod replaceable feet.