Winchester Small Rifle Primers 41

Winchester NATO-Spec Armed service Primers forty one are the exact same primers used in the Lake City 5.56mm 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 usual use. Winchester assures cautiously-controlled weights of primer mixtures, consistency in dimension and excellent, precise measurements and tolerances for anvil heights and balance in extremes winchester 41 primers of temperatures and humidity.