Winchester Little Rifle Primers forty one
Winchester NATO-Spec Army Primers 41 are the identical primers Utilized in the Lake Metropolis five.56mm ammunition. These primers are built to exacting specs for shot to shot consistency. All primers are continually and rigorously tested for consistency and sensitivity at temperatures and winchester 41 primers circumstances much past the variety of standard usage. Winchester assures diligently-controlled weights of primer mixtures, regularity in sizing and excellent, precise measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.