How do you change your rate of fire?

[evil_elements]

How do you change your rate of fire on a regular ir3? Thanks I cant figure it out. Is it internally or externally?

[shaneOK]

internally, left button until it says mrof, then right internal button to change it, o ya, get a manuel. lol, peace.

[evil_elements]

I do have a manual lol

[evil_elements]

I though you pressed it till it got to astm

[Emmit]

you've got a manual....read it