Many thanks all. No burrs, factory rounds plunk in quite satisfyingly and drop out on their own weight. Using a jeweler's loop to look at the extractor cut with a shell in the chamber I could tell that there was almost no rim to grab compared to the original barrel. I VERY carefully used a small file to make the cut deeper and now it is ejecting some fired hulls without problem.
Now for the second question. It appears that the barrel hood is a separate piece which has been screwed onto the barrel. Is this possible? Is it safe?
'Four legs good, two legs baaaad."
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"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffett)
SotG
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