Winchester Smaller Rifle Primers forty one
Winchester NATO-Spec Armed service Primers forty one are precisely the same primers Employed in the Lake City 5.56mm ammunition. These primers are developed to exacting requirements for shot to shot regularity. All primers are constantly and rigorously tested for consistency and sensitivity at temperatures and situations significantly outside of the range of winchester 41 primers regular usage. Winchester guarantees very carefully-controlled weights of primer mixtures, consistency in dimension and top quality, exact measurements and tolerances for anvil heights and balance in extremes of temperatures and humidity.