Winchester Tiny Rifle Primers 41
Winchester NATO-Spec Armed forces Primers forty one are exactly the same primers used in the Lake Metropolis 5.56mm ammunition. These primers are constructed to exacting specifications for shot to shot consistency. All primers are continuously and rigorously examined for consistency and sensitivity at temperatures and conditions significantly past the array of ordinary usage. Winchester assures meticulously-managed weights of primer mixtures, regularity in size and good quality, precise measurements and tolerances for anvil heights and steadiness
winchester 41 primers in extremes of temperatures and humidity.