Double Eagle M804A1 614 Electric Airsoft Gun Full & Semi Auto FPS-350 Red Dot Sight Metal & Abs Construction(Airsoft Gun), Black Features: 1: 1 full scale fully electric powered sturdy ABS plastic Full automatic - semi automatic magazine Clip capacity: 250+ BB's metal internal barrel Flip up front and rear aiming sights adjustable hop up System Velocity (FPS): 315 Shooting range: 100-150 feet caliber: 6mm working safety 3 position collapsible Stock gun gear Willi's. (Rail interface System) tactical rails