Versa Pod 150-681 Bipod Gun Rest for AI Rifle - Accuracy International Prone size 7 to 9 inches and Ski Type Feet Integrated Accuracy International adapter allows bipod to snap into place seamlessly Standard Prone Size Bipod Rest. Spring Loaded Legs Extend 7" to 9" inches Light Weight, Rock Solid, and Guaranteed with our Limited Lifetime Warranty Precision Wire-EDM Cut 4140 Steel Spring Powered Locking Latches Genuine Versa-Guard Coating And Our Universal Ski Type Feet