Winchester Compact Rifle Primers 41

Winchester NATO-Spec Navy Primers 41 are the exact same primers used in the Lake Metropolis five.56mm ammunition. These primers are developed to exacting requirements for shot to shot regularity. All primers are frequently and rigorously tested for consistency and sensitivity at temperatures and circumstances considerably outside of the choice of usual usage. Winchester guarantees winchester 41 primers carefully-controlled weights of primer mixtures, consistency in sizing and excellent, precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity.