Winchester Little Rifle Primers forty one
Winchester NATO-Spec Military Primers 41 are precisely the same primers Employed in the Lake City 5.56mm ammunition. These primers are created to exacting technical specs for shot to shot regularity. All primers are continuously and rigorously tested for consistency and sensitivity at temperatures and problems significantly outside of the selection of typical usage. Winchester guarantees cautiously-managed weights of primer mixtures, regularity in measurement and excellent, exact measurements and tolerances for anvil heights
winchester 41 primers and balance in extremes of temperatures and humidity.