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Old 11-20-2009, 13:49   #157
T. R. Graham
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Join Date: Sep 2001
Location: Texas
Posts: 267
Originally Posted by JohnKSa View Post
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.
Correct, sir.
TR Graham
The Glocksmith
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