... that is assuming you're comparing Common primers to Standard primers or Magnum primers to Magnum primers ... not Magnum primers to plain primers. You can find an exception with handgun masses that use large pistol primers ... WLPs make about fifteen% extra flash than other makes of normal large https://emiliofterc.blogdigy.com/the-smart-trick-of-federal-215-large-magnum-primers-that-nobody-is-discussing-47634890