alot of people out there will say no, there are not created equal. most will say use only Japanese made rings, stay away from American made stuff.
I too would like to know how they differ. i mean, its a cut piece of metal. Are the differances in the metal composition, Coatings, Tolerancing? I mean if they aren't perfectly round it usually won't matter will it? as they grind to suit your bores anyway?
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