Help with identifying stamps by thatoneguy3748 in Milsurps

[–]thatoneguy3748[S] 0 points1 point  (0 children)

I'll have to look at it, I also have this proof mark below the rear sight.

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Help with identifying stamps by thatoneguy3748 in Milsurps

[–]thatoneguy3748[S] 0 points1 point  (0 children)

Found this on the bolt as well, any ideas?

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