Hickok45 said that what eventually broke on his Gen 2 Model 23, after firing untold tens of thousands of rounds through it, was the locking block (which cracked in half), which naturally disabled it. Easy repair. He just replaced the part, but he noted that it was a good thing it didn't happen in the middle of a gun fight.
I don't have tens of thousands of rounds through any of my numerous handguns, But, if I did, I wouldn't use that one for self-defense.
That was the gun he carried as a volunteer Deputy Sheriff.
