Just a word of experience. When the collet bushings first came out, there was a lot of complaint about breakage. But I never saw a broken collet that wasn't broken by the owner playing with it.
FWIW, I suspect that the "top quality gunsmithing" in the link area has more to do with the 2" groups than the bushing.
Famous last words: "If it ain't broke, don't fix it."
Jim
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