Ive been unable to find a true way of measuring the actual force exerted on the barrel internally. I have not slugged one following the hydraulic method but suspect you can likely note some swelling, even if minor. As opposed to a brass rod nick on a land requiring a light lapping. Also haven't had issues removing them our way, even after the client has mashed it pretty good, such as the one in the picture. I'm not claiming to be right here either, just know what has worked for me. Also, the article is about a bore snake, an Otis is a whole different monster, the pic attached below is an OTIS as the OP has stuck. By the way, I've never had to remove a cleaning rod before, but eventually everything happens once.
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Originally Posted by chuck
What are your thoughts behind this?
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