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Posted: 8/23/2017 5:24:44 PM EST
Would I go chrome lined? Nitride? What would you suggest and why?
Link Posted: 8/23/2017 5:58:14 PM EST
Nitride, for both longevity and accuracy. A l9t has been in question about nitriding, but tests are starting to show it is a very durable treatment, and it is cheaper to boot.

That being said, can't go wrong with chrome lined. I have had exceptionally good luck with both types, then again I stick to known quality brands: chrome lined I run FN or LMT barrels, nitrided I use Lothar Walther or Ballistic Advantage. Faxon has an exceptional reputation for nitriding as well, just haven't gotten around to using them yet.
Link Posted: 8/23/2017 6:38:50 PM EST
Link Posted: 8/23/2017 7:00:53 PM EST
Cheaper is better if you plan on burning up a barrel.  

Mine is on an Armalite M15 Middy barrel.  Since the range is on summer hours and I can't make it there most of the time, I have no chance at burning up my barrel.
Link Posted: 8/23/2017 7:04:21 PM EST
Well, Larue will replace it if you burn it out 
Link Posted: 8/23/2017 7:42:59 PM EST
[Last Edit: 8/23/2017 7:43:31 PM EST by Gamma762]
Quality of the steel is more important than nitride vs chrome. Get the higher grade CMV type steel, with either bore treatment.

In a HEAVY profile. Need thermal mass to soak up that heat.

Longer gas system to minimize gas port erosion.

Get a handguard with a big aluminum barrel nut, and lots of aluminum on the handguard to dissipate even more heat.

And a barrel of water to dunk the thing in to cool it off.
Link Posted: 8/23/2017 9:29:28 PM EST
I have multiple Larue bbls and I wasn't aware of that. Sounds like my search my have come to an abrupt end.
Link Posted: 8/24/2017 12:17:54 AM EST
PSA FN CHF chrome-lined.
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