Have ya polished the chamber yet? That usually solves the problem, info can be found in the FAQs and Help sticky, your loads appear to be reasonable compared to Hodgdon data for like bullet weights, and look good in the Hornady book. You may also have to full length size to bump the shoulder back a tad, which might help in addition to the polish job.
You can also improve ejector performance by cleaning and polishing the ejector and housing, then installing a BB ahead of the ejector spring to increase ejector pressure, that info is in the FAQs also.
Tim