Winchester Smaller Rifle Primers forty one

Winchester NATO-Spec Military Primers 41 are precisely the same primers used in the Lake Metropolis five.56mm ammunition. These primers are designed to exacting specs for shot to shot regularity. All primers are continuously and rigorously examined for regularity and sensitivity at temperatures and situations considerably past the number of standard use. Winchester assures very carefully-managed weights of primer mixtures, regularity in size and good quality, exact measurements and tolerances for winchester 41 primers anvil heights and steadiness in extremes of temperatures and humidity.