The bipod can be quickly attached or detached by using the swivel stud. The bipod can be extended from 6 to 9 inches. With the release button, you can adjust the height to the exact level easily and quickly. The legs can be folded back up into the initial position just as easily for easy carry and storage. Our bipod is made of lightweight aluminum and a non-rust black anodized finish making it less bulky and more durable than others. Rubber feet provide a strong support for any kind of terrain; they are sturdy and dont wiggle. Specification: System: Sling Stud Material: Aluminum Color: Black Height: 6-9 Inches Feature: This Harris style bipod can be directly attached to sling swivel stud. Made of aircraft grade aluminum, this bipod is built to last. Enhanced structure can support more weight and withstand much more huge recoil. The strong spring is innegligible to help deploy and fold the legs quickly. Forging precisely, the spring is equipped with high tension, which ensures that the legs will stay in place when using. The legs have 5 position to adjust from 6-9 inches. With a single push on button, the legs will eject by inside spring. Rubber pads is bonus to make this bipod available in more geographies like sand, range, muddy and etc.