Winchester Little Rifle Primers forty one
Winchester NATO-Spec Military Primers 41 are the same primers Utilized 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 examined for consistency and sensitivity at temperatures and problems significantly further than the selection of typical usage. Winchester assures carefully-managed weights of primer mixtures, consistency in dimension and high quality, specific measurements and tolerances for anvil heights and security in extremes of temperatures and winchester 41 primers humidity.