Agreed. It's just much more difficult to do. FN has had issues with their chrome lining but when it adheres their rifles are very, very accurate and exceedingly durable (and less maintenance intensive). I think the nitrocarburization offers a better solution - more corrosion resistant (depending on difusion layer depth, etc.) and no geometry changes. The M249 chrome spec is "twice the thickness called for on the M16" so that could be interesting. Now I'm sure that is what FN is doing for the SPR. How well do they maintain concentricity? I don't know. John Noveske claims 2/10 thousandths for his chromoly barrels with thick chrome linining which is Match Grade. I have a *feeling* that FN is doing similar for their bolt guns.



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