Winchester Little Rifle Primers 41

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 typical use. Winchester guarantees very carefully-managed weights of primer mixtures, regularity in size and good quality, specific measurements and winchester 41 primers tolerances for anvil heights and steadiness in extremes of temperatures and humidity.