Uses 88-gram CO2 Quad Picatinny Rail Foregrip for Better Control Folding Front and Rear Sights for Improved Target Acquisition Anodized Orange Fully Aluminum Charging Handle Fully Pneumatic Operation - Does not use batteries or electronics Integrated Sling Mounts High Performance In-line Bolt System High Performance Anodized Orange Barrel with Muzzle Brake Gas On/Off Slide Valve - Allows the user to disconnect the C02 source from the launcher