How to chosse the right weapon at Airsoft

We all want the to have the best air soft gun on the field, so which can be the best one. Well the Airsoft gun are classified but is fps and range. If you are playing out doors the best weapon that you are going to need is going to be an assault rifle such as the m4,schar-h, akm-47 and many more. I myself will recommend a weapon the its fps are about 340-500 and range 130 feet, if your gun has all those characteristics you should be proud of your gun