I'm with Matt on this one. Did you keep your receipt? The Sims slide definately pulls the cables over too far. The hicks slide works perfect on the Liberty. It pulls the cables farther over than the stock slide for better fletching clearance but not as much as the Sims. It's a little cheaper too.
Here it is:

http://www.lancasterarchery.com/shop...7f702e3d3e4cec