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Old 04-08-2019, 08:25 AM
thebearpack thebearpack is online now
Join Date: Jan 2010
Location: Pittsburgh, PA
Posts: 2,187

Originally Posted by Gewehr43 View Post
BTW..... both those links end up having the same source (Shooter5) giving his thoughts. I understand his point but, again, his thoughts were this (the MB marking) may have been done in the 70-80's.

Again.... just my WAG but I don't think it's Magnetic Particle inspection.
I agree. It certainly could be the case but one person's anecdote doesn't prove anything.
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