Winchester Smaller Rifle Primers forty one

Winchester NATO-Spec Military Primers 41 are exactly the same primers Utilized in the Lake Metropolis 5.56mm ammunition. These primers are created to exacting requirements for shot to shot regularity. All primers are constantly and rigorously analyzed for regularity and sensitivity at temperatures and conditions far beyond the selection of normal winchester 41 primers use. Winchester ensures cautiously-managed weights of primer mixtures, consistency in size and high-quality, exact measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity.