They've got bills up:
Illinois (with a bit of a delay so if you live in Ill, write, call, show up)
For a preview, no transfers, magazine bans, semi-auto bans, shotgun bans and so on.
There's plenty of stuff for you to write to your reps about.
And here's another letter form if you're looking for ideas. And another point on just how expansive and dangerous this push is. Never let a crisis go to waste after all.