Quote:
Originally Posted by Alk8944
Did you, or anyone, replace the mainspring with a Wolff "Power Rib" spring? If so they need a longer strain screw than the factory one. Wolff doesn't mention this on their web site. Otherwise the strain screw may have been shortened. A new factory mainspring and strain screw should fix any problem with failures-to-fire that may be related to a weak or modified parts.
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Yep. And in my experience, even with an extended firing pin, it's still not enough for the "factory standard power" mainspring to reliably ignite some of the harder primers like Winchester and foreign military primers in double action.