I have recently been alternating between a Sig P226/40 and a P220 for daily carry, and I have been surprised at the difference in comfort between the two. They both fit in the exact same horse hide VM-2, but when loaded the P220 weighs ~4.5 oz less. More importantly, the P220 has a much narrower grip with no decocker hump.
I am starting to consider getting an IWB double mag holder for the P220 and making it my EDC, but I want to try a good IWB single mag holder for the P226 first. With the P226, I have found the spare mag to be even harder to conceal than the pistol itself is. Has anyone found a good IWB mag holder that will work with a double stack 40 cal mag? The 226/229 platform has worked very well for me, and I like having 13 rounds available without a mag change.