AUKMONT Extreme Precision Hunting Shooting Air Rifle Gun Sniper Bipod 6" - 9" with Adapter Anodized Matte Finish Built Material: Aluminum Alloy. Spring loaded foldable legs are notched to extend to multiple lengths. Bipod has an attachment point for sling with bipod installed. 3 FREE Adapters (Mounts onto rifles with sling stud or with Picatinny rails under forend). Adjustable 6 to 9" Adjustable Bipod