Winchester Modest Rifle Primers 41

Winchester NATO-Spec Military Primers 41 are the same primers used in the Lake City five.56mm ammunition. These primers are built to exacting specs for shot to shot consistency. All primers are continually and rigorously tested for regularity and sensitivity at temperatures and disorders considerably outside of the choice of usual utilization. Winchester assures thoroughly-controlled weights of primer mixtures, regularity in measurement and top quality, specific measurements and tolerances for winchester 41 primers anvil heights and balance in extremes of temperatures and humidity.