Winchester Little Rifle Primers forty one
Winchester NATO-Spec Military services Primers 41 are the exact same primers used in the Lake Metropolis five.56mm ammunition. These primers are designed to exacting technical specs for shot to shot regularity. All primers are regularly and rigorously tested for consistency and sensitivity at temperatures and circumstances far beyond the number of normal use. Winchester assures very carefully-managed weights of primer mixtures, regularity in measurement and excellent, specific measurements and tolerances for anvil heights and steadiness in winchester 41 primers extremes of temperatures and humidity.