Winchester Little Rifle Primers forty one
Winchester NATO-Spec Armed forces Primers 41 are exactly the same primers used in the Lake Metropolis five.56mm ammunition. These primers are designed to exacting specs for shot to shot regularity. All primers are continuously and rigorously analyzed for consistency and sensitivity at temperatures and ailments far outside of the array of ordinary usage. Winchester ensures winchester 41 primers cautiously-controlled weights of primer mixtures, regularity in sizing and top quality, specific measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.