Granted 1911 platform can offer a much more refined trigger. But if you work with a Glock trigger enough, it is no problem to reach out farther then you think.

This group was shot of a bench rest at a measured 35 yds.
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Yesterday at the range I shot several coffee saucer sized groups seated resting of my knees at a measured 70 yds. So, yes it can be accomplished with some practice.