Winchester Compact Rifle Primers 41

Winchester NATO-Spec Military 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 constantly and rigorously tested for regularity and sensitivity at temperatures and conditions far beyond the selection of regular usage. Winchester assures thoroughly-controlled weights winchester 41 primers of primer mixtures, regularity in dimensions and good quality, precise measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.