Thread: Nickel or Blue?
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Old October 11, 2012, 02:13 PM   #22
Bill DeShivs
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Join Date: April 7, 2006
Posts: 7,043
Bumpers are plastic now, Bob!
The old bumper plating shops used copper under nickel under chrome.
Copper underplating CAN be used on guns, but it's not necessary. It's a common misconception, often repeated.
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