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4/6/2012 8:09:56 PM EDT
My understanding is exo coating is similar to the Nickel Boron coating available through FailZero.  I could understand the benefit on a BCG, but what about a .22LR barrel?  Brownells carries this barrel that intrigues me

.22LR Barrel
4/6/2012 8:14:19 PM EDT
[#1]
I believe FailZero is the provider of the EXO coating. Would make it easier to clean. Could possibly give you a small FPS increase, but I'm stretching for that one.
4/6/2012 8:20:42 PM EDT
[#2]
Ok thanks.  That's what I thought, ease of cleaning.  Wasn't sure if there was any other add'l  benefit to justify the cost.
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