Winchester Modest Rifle Primers forty one
Winchester NATO-Spec Military Primers 41 are exactly the same primers used in the Lake Metropolis five.56mm ammunition. These primers are built to exacting specs for shot to shot consistency. All primers are continually and rigorously tested for regularity and sensitivity at temperatures and circumstances far over and above the selection of ordinary usage. Winchester ensures very carefully-controlled weights
winchester 41 primers of primer mixtures, consistency in sizing and excellent, specific measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.