Winchester Modest Rifle Primers forty one
Winchester NATO-Spec Army Primers forty one are the same primers Employed in the Lake City five.56mm ammunition. These primers are developed to exacting specifications for shot to shot regularity. All primers are continuously and rigorously analyzed for regularity and sensitivity at temperatures and problems far outside of the selection of ordinary usage. Winchester ensures diligently-controlled weights of primer mixtures, consistency in dimensions and quality,
winchester 41 primers precise measurements and tolerances for anvil heights and security in extremes of temperatures and humidity.