... that is assuming you might be evaluating Regular primers to Standard primers or Magnum primers to Magnum primers ... not Magnum primers to straightforward primers. There may be an exception with handgun loads that use large pistol primers ... WLPs deliver about fifteen% far more flash than other models https://federal-205-primers-for-a51839.activablog.com/31191221/everything-about-federal-primers-large-rifle-magnum