Winchester Compact Rifle Primers forty one
Winchester NATO-Spec Navy Primers forty one are the same primers Employed in the Lake Metropolis five.56mm ammunition. These primers are built to exacting requirements for shot to shot regularity. All primers are constantly and rigorously examined for regularity and sensitivity at temperatures and problems much beyond the winchester 41 primers variety of regular use. Winchester guarantees thoroughly-controlled weights of primer mixtures, regularity in dimension and quality, exact measurements and tolerances for anvil heights and steadiness in extremes of temperatures and humidity.