... which is assuming you're comparing Normal primers to straightforward primers or Magnum primers to Magnum primers ... not Magnum primers to Standard primers. There's an exception with handgun masses that use large pistol primers ... WLPs generate about 15% extra flash than other brands of normal large pistol primes https://large-pistol-primers-for17395.bloginder.com/32479843/federal-gold-medal-215m-primers-an-overview