Winchester Smaller Rifle Primers forty one
Winchester NATO-Spec Armed forces Primers 41 are exactly the same primers Employed in the Lake Metropolis five.56mm ammunition. These primers are developed to exacting specifications for shot to shot consistency. All primers are frequently and rigorously tested for regularity and sensitivity at temperatures and conditions significantly beyond the winchester 41 primers choice of regular utilization. Winchester assures cautiously-controlled weights of primer mixtures, consistency in sizing and high quality, exact measurements and tolerances for anvil heights and security in extremes of temperatures and humidity.