Winchester Tiny Rifle Primers 41

Winchester NATO-Spec Military services Primers 41 are the same primers used in the Lake City 5.56mm ammunition. These primers are designed to exacting technical specs for shot to shot regularity. All primers are continually and rigorously winchester 41 primers tested for consistency and sensitivity at temperatures and circumstances much over and above the choice of ordinary use. Winchester ensures meticulously-controlled weights of primer mixtures, regularity in dimensions and excellent, precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity.