Bartlein barrel question

jsthntn247

Gunny Sergeant
Minuteman
Feb 25, 2009
1,208
144
Mississippi
Is this chrome molly or stainless? Numbers are cm34612 but says ss under the .308?
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The CM##### is the serial number. The CM is the material code for that heat lot of stainless steel. All of our Chrome-Moly is currently being made out of material that will begin with an R series.

Sorry for the confusion.