Winchester Smaller Rifle Primers 41

Winchester NATO-Spec Army Primers 41 are the identical primers Employed in the Lake Town five.56mm ammunition. These primers are developed to exacting requirements for shot to shot regularity. All primers are continuously and rigorously tested for consistency and sensitivity at temperatures and problems considerably beyond the array of usual use. Winchester assures carefully-managed weights of primer mixtures, regularity in sizing and high quality, precise measurements and tolerances for winchester 41 primers anvil heights and stability in extremes of temperatures and humidity.