I have since discovered I was only getting a semi-iffy grip safety release even with a bump on the grip safety.Careful study told me ,between the high grip beavertail and my big,meaty hand an arched mainspring housing just held the heel of my hand too far back,and the hollow in the center of my palm was not making positive contact.It may be a Wilson,I found a great flat mainspring housing that is a slightly round butt style,nicely checkered.I really like it,and the grip safet problem is positively cured.
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