... that's assuming that you are evaluating Conventional primers to straightforward primers or Magnum primers to Magnum primers ... not Magnum primers to straightforward primers. There's an exception with handgun loads that use large pistol primers ... WLPs make about 15% additional flash than other brands of ordinary large pistol https://jasperilzlw.blogolize.com/5-tips-about-federal-gold-medal-215m-primers-you-can-use-today-71093257