JINSE Bipod Picatinny Rail Swivel Adjustable 9-11 Inches Bipod Adapter High Tech Durable Aluminum Construction Center Height 9"-11" Foldable Arms can be folded up for easy carry and storage Includes sling swivel stud adapter and Picatinny/Weaver adapter to allow it to mount Posi-Lock legs provide extremely solid, exceptionally accurate support