This is a Allen Bipod known as the Bozeman, model 2188.
The Allen Company's Bozeman style bipod features durable construction with a sling swivel mount. It attaches directly to your sling swivel with no tools required. Quickly and easily adjust the height from 9 to 13 inches for a stable shooting platform anywhere. Allen Company is proud to supply every hunter with dependable" high quality gear to suit their unique needs.
Features:
Features durable construction
Sling swivel mount attaches directly to your swing swivel with no tools required