Winchester Little Rifle Primers 41

Winchester NATO-Spec Armed service Primers 41 are the identical primers used in the Lake City five.56mm ammunition. These primers are created to exacting technical specs for shot to shot consistency. All primers are continually and rigorously tested for regularity and winchester 41 primers sensitivity at temperatures and conditions far beyond the number of normal usage. Winchester ensures cautiously-managed weights of primer mixtures, consistency in dimensions and high quality, exact measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.