TexasCHLforum.com

I met Joe a number of years ago at a shotgun event up in Nebraska (gave me some good critique on my trigger-job, pronouncing it very good, with it just needing the slight over-travel tightened up) and I've followed his work ever since. He's a frank, no-bull guy who makes some of the most accurate and beautiful custom 1911s at chamberscustom.com

Here he runs the numbers/measurements on the Rock Island Armory 1911:

https://www.youtube.com/watch?v=Bk4T7V7JnN8