Joe - you are right to caution about the use of plastic scrapers as they are not all created equal and I should have made it a point to be more clear on that.
I make my own and use a plastic called Delrin which differs from a plastic scraper off of a box store shelf which is likely made from polyethylene. That said..as a rule, unless it is polycarbonate or plexiglass - plastic will not damage the wood but on the same token, and as w/everything..a little common sense applies.
Delrin is rigid yet soft and will not damage nor will it mar the wood in any way shape or form. It can be brought to a very sharp edge which breaks down quickly during the stripping process hence my recomendation to have a sander handy for touch up. This method works quite well to remove the finish and does take some time. This is not an instant gratification/result method & does take some time. Furthermore - as the edge on a pc of delrin curls up it can then be utilized as a scraper w/a pulling action as opposed to a pushing action to remove material.
Brian..the 28 I am working on is what I believe to be an early pc as evidenced by the stampings on the barrel lug which are stamped "I" and "F" as opposed to "00" indicating the frame size. Unless it is inlayed into the stock (which it does not appear to be)..the stock oval on my gun only measures about .007/.008 thick..nowhere near the 1/16" or (.0625) that you indicated...maybe different suppliers or a change in manufacturing over the course of production?
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