Winchester Modest Rifle Primers 41

Winchester NATO-Spec Military Primers 41 are precisely the same primers used in the Lake City 5.56mm ammunition. These primers are constructed to exacting requirements for shot to shot regularity. All primers are constantly and rigorously tested for consistency and sensitivity at temperatures and problems considerably beyond the array of ordinary usage. Winchester ensures thoroughly-managed weights of primer mixtures, regularity in sizing and quality, specific measurements winchester 41 primers and tolerances for anvil heights and stability in extremes of temperatures and humidity.