This primer problem has been acknowledged by Winchester for some time now. There is a thread here with the subject "WLR Primer" under Big Game Rifles in the Reloading section that has some info that might help. Rather than searching for a list of lot #s just call Linda Bates (618-258-3530)at Winchester and she will be able to tell you if your lots might be affected.
Call and talk to someone in person, that way you know it is being handled. Hope this helps.
Called that number and was told a different person now handles this issue. I didn't get her last name. but here is the new person and number;
Haley 618 252 2842 My lot number appears to be OK.
Thanks fot the help men.
Jim