Why the square trigger guard?
I just picked up my 1st gen 3 auto this week...a 6906. As I looked at the 39's, 59's, and 69's I learned that the early ones had a square trigger guard but didn't see any reference as to why square and why they later went to the round guards. Can anyone answer this curiosity for me? Haven't been to the range yet but look forward to it. I am thinking I should buy a new recoil spring just due to age...how long should the original last before replacement? Mine dates to the late 80's. Thanks for the help!
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