BLACKHAWK Sportster Adjustable Bipod, 6-9, Black 71BP03BK This Blackhawk Sportster Adjustable Bipod features a proven" time tested design for field or benchrest shooting and has a compact and lightweight design. It has no-rust anodized legs with increased spring tension and spring-return telescoping legs- 6" to 9". Easily attaches to sling swivel.