I look at it this way... Whether at the range, or when carrying, I only actually need to rack the slide the first time I load a magazine into the handgun... IF the slide is closed. After that, I either do a tactical reload (swap mags before firing the last round) or an emergency reload (the mag is empty and the slide locks rearward). Either way, there is no reason to rack the slide after a reload. The most one would need to do is release the slide (much easier), rather than completely racking the slide.
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To which I repeat, WHEN are you going to need to rack the slide? Not during either a tactical, or emergency reload.