Winchester Small Rifle Primers forty one
Winchester NATO-Spec Army Primers 41 are a similar primers used in the Lake Metropolis 5.56mm ammunition. These primers are built to exacting specs for shot to shot consistency. All primers are regularly and rigorously analyzed for winchester 41 primers regularity and sensitivity at temperatures and circumstances much over and above the number of normal usage. Winchester guarantees cautiously-controlled weights of primer mixtures, consistency in size and high quality, precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity.