We play assault 400 fps / 1.5J , support 450 fps / 1.9J ( cant use it in 15 m distance must have pistol ) , snipers 600 fps / 3.3J ( cant use it in 20m distance and U must have pistol ) .
For indoor is 300 fps or less it depends where we play .
My ex team played with 400 fps indoor :D burst was allowed hahah .