Thread: CSMC RBL Case Colors
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CSMC RBL Case Colors
Unread 03-25-2025, 10:14 PM   #1
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Brett Trimble
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Default CSMC RBL Case Colors
I have read various opinions concerning the case coloring on RBLs. Does anyone know if the receivers are actually case hardened? Or are they chemically treated in some way to have the appearance of case hardening?

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