[BF_gangst]

i have a few questions about this gun. i have just got it and am trying to find way to slow down the FPS. i want to play in an indoor place but they wont let me cuz it shoots too fast can anybody tell me what i can do to lower the FPS down to indoor specifications? i know i can get a velocity reducer or new springs, but i need to know that reducer i can get and that size i need or if i can get a new spring i need to know that spring is in it and what spring i should get to lower the FPS.:banghead: