Winchester Modest 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 crafted to exacting specifications for shot to shot consistency. All primers are regularly and rigorously analyzed for regularity and sensitivity at temperatures and conditions much over and above the choice of ordinary use. Winchester assures cautiously-controlled
winchester 41 primers weights of primer mixtures, regularity in size and high quality, precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity.