? about markings on a safety

[CSM14thBN]

this was on one of my garands from the CMP. I have never seen this type of marking before? Any ideas?

TIA
Chris

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[dryheat]

I/ve never seen a safety that looked anything like that. Looks painted. The rifle was possible was returned to CMP for some reason and some parts got switched out before the return. It's happened.

[CSM14thBN]

Its not painted its a grey park with a lot of oil on it. I have never seen that type of stamp.

[M1Riflenut]

Interesting marking,almost looks laser etched or machined,not stamped.
You might try asking Bill Ricca.