This application will enable you to work out what FPS / Feet per second
your Airsoft gun will fire at on other weight ammo? This application just
enter your gun FPS on 0.2g and it will show you approx fps on 0.23g,
0.25g, 0.28g, 0.30g, 0.36g, 0.40g, 0.43g simple as that.