flmason,
That was during my testing of magnum sabotless charges with the Non-Full Plastic Jacket. If the Red Jackets were used in a hunting situation, I don't think that would be a problem. The primers were getting stuck in the bolt adapter, some primers are worse than others.
While I would prefer them to drop out, it really isn't that big of a deal if you have the spring loaded bolt retaining pin. I just pull back on the pin, rotate the bolt out, pop out primer, reinsert bolt. Takes about 5 seconds. I will try it with the Red Jackets before season, to test for ignition, and function.