As the weight of the BB you use increases, the MAX fps your gun can shoot will decrease. Below is a table showing what your gun will need to chrono to be the equivalent of 350fps for different BB weights.
When having your gun chrono'd, some sites will insist all guns are chrono'd using their 0.2g bb's to ensure all weapons chrono'd are chrono'd equally, some sites will allow to you use your own BB's but the BB weight must be stated before a shot is fired through the chrono. In this case your weapon must chrono under the amount shown in the table below.
For players using an AEG - 350fps Max
For players using a Sniper Rifle - 500fps Max
