Search:

I'm talking about Improved Steady Shot, not Improved SrS.

http://www.wowhead.com/spell=53224

For MM you can try a different rotation. With 8 mastery and around 21% haste I'm doing 9.1k+ self-buffed at the dummies without rapid fire or readiness.

Try Chimera, Serpent Sting, Arcane Shot, 2x...