IBO Speed Brace Height Let Off Mass Weight Axle to Axle Draw Weight Draw Length Kinetic Energy up to 320 FPS 7 9/16” 80% 4.0 lbs. 33 7/8” 50# 60# 70# 25 - 30” 79.6   New for 2010 is the Hunting Chronicles TV Show Special Edition Viper offered with Vanish Hybrid riser and carbon fiber look limbs. This stealthy, past parallel limbed bow offers the same quiet and reliable performance as the highly praised Viper.   * View Normal Viper * View Available APA Target Colors * View Camo Pattern Swatch