This is my first TM hi capa. Its Chrono is 300ish. The closest CQB field to me has a FPS limit of 350 so I want to get it as close to this as possible. Ive got a guarder infinity alum slide already but have not installed. Im ordering hammer and recoil springs. What else do you guys suggest? High flow valves? Tightbore inner? Ive done a bunch of research and searching but I would like to hear what others have personally done to their Hicapa 5.1.