Good to hear the boots worked out for you, the Iron Rangers are a great boot. Surprisingly you will the first, and I am going to predict only person to have made the claim that these boots run a "full size small". It is widely accepted that the opposite is the true. The Iron Rangers run a half to full size large. You will find many a pair on various forums, as well as Ebay up for sale because they were bought too big. I have owned two pair since last winter, and have returned the 1st pair, and sold the 2nd. both pair were bought in 10.5, the first buying a half size down, and the second bought the wrong size by accident. The only thing that I could see being a full size too small would be the width, in the arch area of the boots especially if you have a wide foot (which I see you have mentioned). I have seen a few complain about the boot being narrow for their wide foot.
Anyways, Sorry to respond just to contest, but I just felt that it should be noted.
I have found that Obenaufs LP to be very complimentary to this Red Wing leather.