[QUOTE=Greg;1032395
This plus a memory bump makes it a non-issue unless you have boney cadaver hands. [/QUOTE]
You summed that up nicely. Add "arthritic" to the description and that's my hands.
In practice, both do the same thing- keep the pistol from firing until the shooter interfaces with the pistol. A 1911 can't be fired until the pistol is gripped properly. The Glock can't be fired until the trigger finger first depresses the trigger safety.
The Glock trigger safety is more positive and is an improvement.
My hands are getting the same way. My Colt 1911 has a memory bump. If I get my thumb up too high to ride the safety, the grip safety sometimes doesn't get pressed.
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Hain’t we got all the fools in town on our side? And ain’t that a big enough majority in any town?
I'm all for that tuning of a grip safety so it doesn't have to be bottomed out to allow trigger movement. Just to folks know that there is one type of 1911 where that's probably not a good idea, talking here about guns having a Swartz-style passive firing pin safety. These things are an issue right from the factory much of the time:
https://www.youtube.com/watch?v=4mXWGRbjUww&t=46s
https://www.youtube.com/watch?v=tvptEIw-6QQ
I don't think I've mentioned this before on PF, apologies if I have.