Winchester Smaller Rifle Primers forty one
Winchester NATO-Spec Army Primers 41 are the same primers used in the Lake Metropolis five.56mm ammunition. These primers are created to exacting technical specs for shot to shot consistency. All primers are continually and rigorously examined for regularity and sensitivity at temperatures and disorders far over and above the number of normal usage. Winchester guarantees very carefully-controlled weights of primer mixtures, consistency in measurement and excellent, specific measurements and tolerances for anvil heights and steadiness winchester 41 primers in extremes of temperatures and humidity.