Winchester Little Rifle Primers 41

Winchester NATO-Spec Navy Primers forty one are the same primers used in the Lake City 5.56mm ammunition. These primers are created to exacting technical specs for shot to shot regularity. All primers are continuously and winchester 41 primers rigorously tested for regularity and sensitivity at temperatures and circumstances far outside of the number of normal use. Winchester ensures diligently-controlled weights of primer mixtures, consistency in sizing and high-quality, specific measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.