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Old 11-19-2009, 22:05   #156
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Join Date: Sep 2000
Location: DFW Area, TX
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The tenifer is (among other things) a surface hardening process similar to case hardening in terms of hardening effect. The underlying metal of the barrel is probably in the range you mentioned but the surface of the barrel is very hard due to the tenifer treatment.
Do you have a TX CHL? Thank the
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