Luck to say, no bad news! =]
was prepared to be told a big no-no when i take it in for a chrono, after the first few round (god i wouldnt wanna point them at some one and squeeze the trigger) (theres a youtube clip of a chrono of 970FPS if you get no leaks when changing tank. settles around the 340-370 on .25's but ill still be happy using this thing for marksmanship practise in the field, just spotted a few people saying .40's and adjusted hop works well (will they test on what weight id be firing or will they sling a few .20's down it as that would deffo be up to 400FPS again and a no-no?
May be worth getting a chrono myself for self testing purposes on kit ill soon get my hands on... as sure all know each website that sells gives a different FPS on every weapon ever!