The SR45 has a 10+1 capacity, is chambered in .45 ACP and retails for $529.
The Commander-style 1911 is a cut-down version of Ruger's successful SR1911. It comes with all the same features: matte stainless finish, wood grip panels, skeletonized hammer, three-dot Novak sights. The only difference is the shorter barrel (4.25 inches vs. 5 inches). The SR1911CMD has a 7+1 capacity and carries the same retail price as the full-sized SR1911: $829.