http://gunnuts.net/2012/01/26/sig-sauer-announces-the-new-1911-in-357-sig/ Seems like sig is coming out with the 357 sig version of the 1911. I know many arent fond of 357 sig due to price and recoil, but the power and accuracy of the 357 sig in a heavy framed 1911 woulf be killer. curious if parts are interchangeable, def after one