Winchester Smaller Rifle Primers forty one
Winchester NATO-Spec Army Primers forty one are the exact same primers used in the Lake City five.56mm ammunition. These primers are designed to exacting specs for shot to shot consistency. All primers are consistently and rigorously examined for consistency and sensitivity at temperatures and circumstances far beyond the array of standard use. Winchester ensures thoroughly-controlled weights of primer mixtures, regularity in measurement and high-quality,
winchester 41 primers specific measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.