Presma Ambidextrous .308 Charging Handle Red. Also useful for 3 gun shooting and for training off-hand use. Pulling from either side will result in a smooth reliable pull. Non-slip design with cut-out edges works great with gloved hands for a dependable action. Rear lip raised to help re-direct gasses from short-barreled or suppressed rifles. Specifications for Presma Ambidextrous LR .308 Charging Handle: Manufacturer: Presma Finish: Anodized Fabric/Material: 7075-T6 Aluminum Caliber: .308 Winchester Gun Make: AR Platform Hand: Ambidextrous Length: 8 in Condition: New Projectile Caliber: .308 Caliber Features of Presma Ambidextrous LR .308 Charging Handle Left lever .85in right lever 1in (width) U.S. Patent Pending. Application Number 296886692 Package Contents: Presma Ambidextrous LR .308 Charging Handle Presma CH3802-R: Ambidextrous .308 Charging Handle Red