Midwest Industries QD Mount, Fits Harris Bi-pod, Black MI-QDBP The Midwest Industries Quick Disconnect Bipod Adapter was designed to work with Harris type bipods" and provides a single sling swivel stud for that purpose. It features a QD throw lever for quick installation or removal from any Picatinny rail interface. Midwest Industries is a proven leader in the firearm industry. Made in the USA" focusing on the small details to make your rifle platform better.