Winchester Modest Rifle Primers forty one
Winchester NATO-Spec Armed forces Primers 41 are the exact same primers Utilized in the Lake City 5.56mm ammunition. These primers are developed to exacting specs for shot to shot regularity. All primers are winchester 41 primers consistently and rigorously tested for consistency and sensitivity at temperatures and circumstances far further than the selection of usual use. Winchester assures cautiously-controlled weights of primer mixtures, consistency in dimension and good quality, exact measurements and tolerances for anvil heights and security in extremes of temperatures and humidity.