Winchester Small Rifle Primers 41

Winchester NATO-Spec Military Primers 41 are exactly the same primers Employed in the Lake City 5.56mm ammunition. These primers are designed to exacting specifications for shot to shot consistency. All primers are regularly and rigorously analyzed for consistency and sensitivity at temperatures and situations significantly beyond the variety of ordinary use. Winchester guarantees cautiously-controlled weights of primer mixtures, regularity in dimensions and quality, precise measurements and tolerances for anvil heights and stability winchester 41 primers in extremes of temperatures and humidity.