The Form is a combination of two of the most significant technologies in the bow industry. Advanced Structures Technology (AST) and Center Grip Technology. Making Prime the true leader in bow technology. Advanced Structures Technology (AST ) focuses on bringing together the right materials to the exact places using perfect processes in bow manufacturing. The result is a lighter, stiffer, more precisely made bow. American-made carbon rods are of the lightest, strongest, most consistent forms of carbon. Using these allow's Prime to increase stiffness by 47.5% while decreasing overall weight by nearly half a pound. The FORM is the lightest, stiffest bow on the market that doesn t compromise on precision and accuracy. The most tunable, accurate system Prime has ever produced with industry leading nock travel, efficiency and smooth draw feel. Offering draw length specific mods for maximum efficiency at every draw length. Product Features Advanced Structures Technology (AST ) Core Cam System Product Specifications ATA: 34" Draw Length: 26.5-30.5" Draw Weight: 60 lbs Weight: 4.1 lbs FPS: 336 Brace Height: 6 1/4"