Winchester Modest Rifle Primers forty one

Winchester NATO-Spec Armed service Primers 41 are the same primers Utilized in the Lake Metropolis five.56mm ammunition. These primers are constructed to exacting requirements for shot to shot regularity. All primers are constantly and rigorously tested for consistency and sensitivity at temperatures and winchester 41 primers problems considerably beyond the variety of ordinary use. Winchester assures cautiously-controlled weights of primer mixtures, consistency in dimension and good quality, exact measurements and tolerances for anvil heights and security in extremes of temperatures and humidity.