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Old August 22, 2021, 03:10 PM   #6
Join Date: March 4, 2005
Location: Ohio
Posts: 19,897
My concern is with the plating thickness in the bore. I found one Indian spec online calling for 0.001" to 0.002" thickness for assault weapon bores, meaning bore and groove diameter would be 0.002" to 0.004" narrower after coming out of the plating bath. The same spec did show a ten-times-thinner layer requested for sniper rifle barrels, probably on the assumption rate of fire will be slow enough not to present a lot of heat to them. I lack personal experience in this area and don't know what the life expectancies for the different thickness plated bores are.
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