In reply to:

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My guess is a system which does not use threads which can wear etc?

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The advice I received when trying to commission a takedown was to avoid the method where the thread is uncrewed and re-screwed. Eventually it will wear.

The best is where the bolt actually locks up into the barrel. And the barrel and receiver are one and removed together. Numerous examples of these include: Dakota; Johannsen etc.



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John aka NitroX

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Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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