I don't know, here are the specs listed in the article.

Among the features of the new gun:
polished titanium feed ramp
titanium firing pin
stainless steel barrel
extended mag release button
extended thumb safety
oversized beavertail grip safety
enlarged ejection port
checkered backstrap
serrated front strap
hardwood stocks
skeletonized trigger and hammer
three-dot sights with Novak LoMount Carry rear
compatable with standard 1911 parts and magazines


Read the original article here: http://www.gunsholstersandgear.com/2015/01/05/ruger-sr1911-lightweight-commander/ . Make sure you visit GunsHolstersAndGear.com for all of the latest gun news, reviews and SHOT Show coverage.

There is no accounting for taste.

Experience is a great thing as long as one survives it.

Generally, there ain't a lot that separates the two however,
Barely making it is a whole lot more satisfying than barely not making it.