Winchester Small Rifle Primers 41

Winchester NATO-Spec Military Primers 41 are a similar primers used in the Lake Metropolis five.56mm ammunition. These primers are built to exacting specs for shot to shot regularity. All primers are frequently and rigorously tested for consistency and sensitivity at temperatures and problems significantly beyond the array of usual use. Winchester assures carefully-controlled weights of primer mixtures, consistency in dimension and top winchester 41 primers quality, exact measurements and tolerances for anvil heights and security in extremes of temperatures and humidity.