Winchester Smaller Rifle Primers forty one

Winchester NATO-Spec Armed service Primers forty one are the exact same primers used in the Lake Metropolis five.56mm ammunition. These primers are built to exacting specs for shot to shot regularity. All primers are constantly and rigorously tested for consistency and sensitivity at temperatures and 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 winchester 41 primers humidity.