Winchester Small Rifle Primers forty one

Winchester NATO-Spec Navy Primers forty one are exactly the same primers used in the Lake City 5.56mm ammunition. These primers are designed to exacting specifications for shot to shot consistency. All primers are frequently and rigorously tested for regularity and sensitivity at temperatures and problems much past the range of normal usage. Winchester ensures very carefully-controlled weights of primer mixtures, winchester 41 primers regularity in sizing and excellent, precise measurements and tolerances for anvil heights and balance in extremes of temperatures and humidity.