Hi, I have a Renegade model #50 cozy partner that works very well for my J frame. They may be able to make you one to fit your Sig.
Here: http://www.gmstactical.com/copabyremo531.html
+1 Renegade. I went through a few before I found this. I use it for my J frame also. I actually called them in Arizona and talked to them. Kinda a mom and pop place, at least that was my impression. Real nice lady I spoke with.