Winchester Compact 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 continuously and rigorously analyzed winchester 41 primers for consistency and sensitivity at temperatures and circumstances much beyond the range of ordinary utilization. Winchester assures meticulously-controlled weights of primer mixtures, consistency in dimension and high quality, exact measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.