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Posted: 5/26/2016 11:50:19 PM EDT
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I am starting my lightweight build and I have everything figured out besides my barrel. I have it narrowed down to two (very similar) options, I would greatly appreciate help deciding which one I should get.
Option 1: Faxon 16" Pencil, 5.56 NATO, Mid Length, 4150 QPQ -$175 -1.20 pounds Option 2: Faxon 16" Pencil, 5.56 NATO, Mid-length 416-R Stainless Steel QPQ -$189 -1.19 pounds I just don't really know the pros/cons to having a 4150 CMV steel barrel vs a 416-R Stainless Steel barrel other than the price and weight difference. |
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Quoted:
I believe that when you salt bath nitride the two metals you have specified that the nitrided surface ends up harder and more rust resistant on the stainless than it does on the 4150. I'm not 100% sure on that, but a quick Google search will tell you. Actually its the opposite (I know, boggles the logical mind, right?). 400 series stainless steel is actually less resistant to corrosion than 4150 carbon steel. However, once nitrided the properties of both are nearly identical at the nitrocarburized surface. |
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Quoted:
I am starting my lightweight build and I have everything figured out besides my barrel. I have it narrowed down to two (very similar) options, I would greatly appreciate help deciding which one I should get. Option 1: Faxon 16" Pencil, 5.56 NATO, Mid Length, 4150 QPQ -$175 -1.20 pounds Option 2: Faxon 16" Pencil, 5.56 NATO, Mid-length 416-R Stainless Steel QPQ -$189 -1.19 pounds I just don't really know the pros/cons to having a 4150 CMV steel barrel vs a 416-R Stainless Steel barrel other than the price and weight difference. Very good options. 
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