Well I looked @ LW website they say there AG barrels are a special steel? There steel powder burner barrels are either chromoly or there proprietary Stainless which I assume is harder than 416 stainless, I will say this on cleaning when u clean from the chamber end of a centerfire you use a bore guide, when u use a brush you always remove the brush before you pull it back thru the bore as not to damage that precious crown! On my rifle I can't get a rod through the breech end so I would have to go from the muzzle end, and that ain't happening on my AG,patch or brush!!
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