Winchester Little Rifle Primers forty one
Winchester NATO-Spec Navy Primers forty one are the same primers used in the Lake City 5.56mm ammunition. These primers are crafted to exacting specifications for shot to shot regularity. All primers are continuously and rigorously analyzed for regularity and sensitivity at temperatures and disorders considerably past the array of standard usage. Winchester assures thoroughly-controlled weights of primer mixtures, consistency
winchester 41 primers in sizing and high-quality, exact measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.