Fully retired 6 years ago, moved to NW FL (lower Alabama), began shooting rimfire benchrest about 15 months ago, and am now building a 6 mm BR Norma. More and more time at the range.
Type I is chromic acid anodize, type II is sulfuric acid anodize, and type III is Martin Hardcoat. Hardcoat would probably be a little difficult for a "home operation".
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