Winchester Modest Rifle Primers forty one

Winchester NATO-Spec Navy Primers forty one are the exact same primers used in the Lake Metropolis five.56mm ammunition. These primers are designed to exacting requirements for shot to shot consistency. All primers are continually and rigorously tested for regularity and sensitivity at temperatures and conditions considerably further than the choice of standard use. Winchester assures cautiously-controlled weights of primer mixtures, consistency in dimension and quality, specific measurements and tolerances for anvil heights and balance in extremes of winchester 41 primers temperatures and humidity.