Way back maybe 20 years ago, a bunch of us bought McCarbo trigger kits. At that time he was very reluctant to export but enough of us asked so he supplied.
It transformed my 795 from a horribly heavy trigger to a reasonably light trigger. Obviously not target grade still.
I never did anything with the main spring.
There was also owners around that time that used the spring that closed the gate on a floppy disk as a part trigger job. These were repoted to give some success.
I have only ever had loading/ejecting isuues on 3 occasions. Once using Fioccho subs. The second time it played up after a clean. Would not load or eject reliably. I thought it was a mag issue but after getting a new mag and no improvement I backtracked and found I had slightly bent the small arm that is part of the ejector mechanism. Once I straightend that it was back to good again. The third time I overlubed the bolt, despite Mike ( @mudgripz ) posting a warning that they need minimal lube. It went silly fairly soon but once I stripped and cleaned it it was away again.
https://www.mcarbo.com/store/p/27-Ma...pring-Kit.aspx
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