Winchester Modest Rifle Primers 41

Winchester NATO-Spec Army Primers 41 are exactly the same primers Utilized in the Lake Metropolis 5.56mm ammunition. These primers are designed to exacting technical specs for shot to shot regularity. All primers are continuously and rigorously tested for regularity and sensitivity at temperatures and conditions considerably beyond the selection of typical use. Winchester ensures winchester 41 primers very carefully-managed weights of primer mixtures, consistency in sizing and high-quality, precise measurements and tolerances for anvil heights and security in extremes of temperatures and humidity.