This krytac spr is a beast chronoing at 470 FPS!! It is upgraded with an s hopped mad bull inner barrel, a g and g green dmr bucking, a systema m130 spring making it quieter, and a locked selector switch for single fire and safety ( can easily be undone)! The gun also includes 5 rare 20 round magpul p Mags And a licensed gem tech suppressor ** scope and bipod not included!!