• Provides extreme stiffness and high-moment weight system compatibility with minimum aiming float • AVRS chamber for rapid vibration amplitude dissipation after the shot • AVRS damping for active-shock management • Lowest mass and highest efficiency • Diameter: 0.80' / 20.24mm • Compatible with 5/16"-24 flat vari-weights • 5/16" adjustable weight stud included - not installed • 24" (5.8 oz.), 27" (6.2 oz.), 30" (6.5 oz.), 33" (6.9 oz.) • Includes reusable protective sleeve