2 rail. I've shot 18s with rifle gas like how sleek and accurate They can be. I'm able to place more cash into overall performance parts then clone correct areas just like a ops brake and collar that I haven't got a can for. But don’t fail to remember, Aero https://kac-ras09379.bloginder.com/30124676/not-known-factual-statements-about-kac-carbine-rail