I've noted a site where you can download a PDF file which has a wealth of 40 info.
http://www.precisionbullets.com/PDF/maashl40sw.pdf
I have used it extensively in working up loads for several 40S&W's. You should approach those loads with caution, working up slowly, but many of my most accurate loads were close to max loads with some lead and many jacketed.
Precautions on loading lead for the 40 include:
Examining the barrel for leading, often, every 50 roundds until you know at what round counts you can expect leading (if it is going to lead).
Examine around the front of the chamber where the case headspaces, as in some weapons, lead will build up here and case the case not to go into battery.
Clean out the lead (if it is doing do) early and often. There is controvery over firing jacketed bullets down a leaded barrel to clean it, so I no longer do that.
Apply just enough crimp to keep the bullet from setting back in the case. Overcrimping will effect accuracy.
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List the powders you curretnly have, and the Forum may be able to include loads for those powders.