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Posted: 4/12/2016 4:55:25 PM EDT
[#1]
nm.
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Posted: 4/12/2016 4:56:01 PM EDT
[#2]
I could be wrong, but I think the Freedom line typically has the nitrided 4140 barrels that are made by ..?...? not FN..?
Other than that, I believe everything else is the same as their premium line. |
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Posted: 4/12/2016 5:52:49 PM EDT
[#3]
Freedom barrels are not chrome lined, but can be 4140 or 4150.
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Posted: 5/2/2016 9:27:43 PM EDT
[#4]
Are the barrels on these: PSA 16" Midlength 5.56 NATO 1:7 Melonite Freedom Upper - with BCG and CH - 507281, 4150 or 4140? Or can it vary within the same product?
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Posted: 5/3/2016 5:56:02 PM EDT
[#5]
Quote HistoryQuoted:
Are the barrels on these: PSA 16" Midlength 5.56 NATO 1:7 Melonite Freedom Upper - with BCG and CH - 507281, 4150 or 4140? Or can it vary within the same product? I was told 4140 by PSA. |
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Posted: 5/4/2016 10:51:33 AM EDT
[#6]
Quote HistoryQuoted:
I was told 4140 by PSA. Quote HistoryQuoted:
Quoted:
Are the barrels on these: PSA 16" Midlength 5.56 NATO 1:7 Melonite Freedom Upper - with BCG and CH - 507281, 4150 or 4140? Or can it vary within the same product? I was told 4140 by PSA. I was told that in this thread: http://www.ar15.com/forums/t_2_301/275492_SKU_s_507280__507281.html It looks like PSA's website description says 4150 now 
Can you clarify PSA? |
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Posted: 5/4/2016 1:27:16 PM EDT
[#7]
Quote HistoryQuoted:
I was told that in this thread: http://www.ar15.com/forums/t_2_301/275492_SKU_s_507280__507281.html It looks like PSA's website description says 4150 now
Can you clarify PSA? Quote HistoryQuoted:
Quoted:
Quoted:
Are the barrels on these: PSA 16" Midlength 5.56 NATO 1:7 Melonite Freedom Upper - with BCG and CH - 507281, 4150 or 4140? Or can it vary within the same product? I was told 4140 by PSA. I was told that in this thread: http://www.ar15.com/forums/t_2_301/275492_SKU_s_507280__507281.html It looks like PSA's website description says 4150 now
Can you clarify PSA? To be frank, the composition differences of 4140 and 4150 is very minimal. You will notice changes in very extreme temperatures, but in a standard environment, the differences are negligible. |
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