Winchester Modest Rifle Primers forty one

Winchester NATO-Spec Military Primers forty one are precisely the same primers used in the Lake City 5.56mm ammunition. These primers are designed to exacting specifications for shot to shot consistency. All primers are continually and rigorously examined for consistency and sensitivity at temperatures and ailments considerably beyond the array of usual winchester 41 primers use. Winchester assures diligently-managed weights of primer mixtures, regularity in dimensions and high-quality, specific measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.