Winchester Tiny Rifle Primers 41

Winchester NATO-Spec Army Primers 41 are the same primers used in the Lake City five.56mm ammunition. These primers are designed to exacting technical specs for shot to shot regularity. All primers are regularly and rigorously tested for consistency and sensitivity at temperatures and ailments much outside of the variety of normal usage. Winchester assures meticulously-controlled weights of primer mixtures, consistency in sizing and excellent, precise measurements and tolerances winchester 41 primers for anvil heights and stability in extremes of temperatures and humidity.