Magpul MAG1075-BLK Bipod made of Aluminum with Black Finish, Sling Stud Attachment, 6.30-10.30" Vertical Adjustment, & Rubber Feet for AR-PlatformThe Magpul Bipod Sling Stud QD is the next offering in the Magpul bipod line. Designed to mount on the Uncle Mikes Sling Swivel Stud found on most sporting rifles. The Sling Stud QD is the strongest, most fully featured bipod available with direct sling stud mounting capability. The stainless steel mounting system self locates and aligns perfectly every time, and an ergonomic thumb wheel allows for excellent grip to ensure easy tightening.