OK, I can't say how much these old warriors were shot before I owned 'em, but here ya go. The path of the latch is visible, but what you see is not so much wear in the metal, as just a "path" through the moly grease, lol. It hasn't even penetrated the blueing.
View attachment 383471 View attachment 383472 Also note - the latch is located so that even if you did wear a groove, it's well clear of the breech seal, so should not affect performance.
I guess if you were really worried about it, you could polish the face of the latch...round its tip a little bit...or, yes - just get in the habit of thumbing the latch whilst closing the breech. But I'm thinking proper maintenance and lubing render it pretty much a non-issue.
View attachment 383473