This is one of our favorite airsoft guns to shoot. The pump action on this compact rifle is smooth. Easy loadng clip and the fact that this gun never jams makes it an excellent choice. MP5A3 style Front handguard pump function for easy operation Shooting energy:0.4 joules up Double 42 pcs 6mm BB loading magazine ABS resin material and Zine compound metal Zinc compound metal adjustable butt Attach gun belt, 1000pcs bettle packing BB pellets and environmental paper package