Weak top lever springs seem a common problem with Syracuse Lefevers. To be sure most of them will lock up and fire OK using moderate recoil loads but a wimpy TL spring doesn't give me much confidence. I've modified V springs sourced from other vintage guns and replaced them myself, and that's not beyond the capability of most mechanically minded gents. But sorry I don't have any pics or dimensional sketches. Basically I just carefully ground the replacement to duplicate the original spring.
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