Winchester Small Rifle Primers forty one

Winchester NATO-Spec Military Primers forty one are the exact same primers used in the Lake Metropolis 5.56mm ammunition. These primers are built to exacting specs for shot to shot consistency. All primers are consistently and rigorously analyzed for regularity and sensitivity at temperatures and winchester 41 primers conditions far past the variety of ordinary use. Winchester assures carefully-managed weights of primer mixtures, regularity in sizing and quality, precise measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.