A 1911 needs to be reloaded a whole heck of a lot when shooting steel, and the time difference between "slingshotting" and just using the slide stop is something that adds up to make the difference between D and C class shooting.
I'd probably benefit from "counting" my shots and doing a tactical reload w/ an empty mag on shot 7 rather than a slide-locked reload. But, my shooting slows down when I try to count.