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Many AR barrel manufacturers are using nitride vs chrome, with phenomenal results.
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I haven't seen any test results I'd consider phenomenal.
Assuming both are properly applied, chrome-lining is superior to nitride. The main difference is how it protects a barrel as the temperature increases.
The only comparative results which indicate nitride to be "just as good" are when the barrel doesn't get hot. Then it could
theoretically last just as long as a chrome-lined barrel...
except barrels
do get hot. The more rounds you fire, the hotter they get.
Companies didn't start switching to nitride instead of chrome because of better performance... They use nitride to decrease production costs.
The only thing cheaper is to not protect the barrel at all.
OP maybe didn't want a thread about chrome vs nitride though... ?
I am interested in results/info also.
It's rare that reviewers fire a few thousand rounds and then take photos through a good bore scope. I wish more would do so, but that's asking a lot.