Winchester Small Rifle Primers forty one
Winchester NATO-Spec Army Primers 41 are exactly the same primers Utilized in the Lake Town five.56mm ammunition. These primers are developed to exacting requirements for shot to shot regularity. All primers are constantly and rigorously tested for consistency and sensitivity at temperatures and problems considerably beyond the array of standard use. Winchester assures cautiously-controlled weights winchester 41 primers of primer mixtures, consistency in size and high quality, precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity.