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According to Kuhnhausen, the slide to frame fit accounts for 15% of mechanical accuracy. Note that total barrel fit accounts for 60% of the accuracy, so that is most important.
Rear barrel play = 20%
Bushing fit = 20%
Consistent vertical lock-up = 20%
Frame/Slide play = 15%
Headspace = 10%
Match grade barrel = 10%
Beyond reach = 5%
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