Where is the velocity adjuster for a mag?

[Hitman2007]

i have an R/T mag and i am not sure how to adjust my velocity....thanx for the help guys

[Muzikman]

The 1/8" allen hole in the back of the gun. Turn right to raise velocity and left to lower.

[Hitman2007]

ok..thats what i thought..but wasnt sure

[Maggot6]

Remember, it only takes one fill turn for like, 100 fps (maybe exaggerating...) It's not like a spyder or something (Twisting 30 times for nothing to happen.... )