IBO Speed Brace Height Let Off Mass Weight Axle to Axle Draw Weight Draw Length Kinetic Energy up to 348 FPS 6 1/2” 75% 4.0 lbs. 32 1/4” 50# 60# 70# 80# 25.5 - 30.5” 107.6   The Mamba 6.5 has arrived, leaner and meaner. Its 6.5 brace height offers perfect balance of speed and accuracy and is sure to exceed expectations, unleashing deadly fury at any target.   * View Available APA Target Colors * View Camo Pattern Swatch