Winchester Compact Rifle Primers forty one
Winchester NATO-Spec Navy Primers forty one are precisely the same primers used in the Lake City 5.56mm ammunition. These primers are crafted to exacting specs for shot to shot consistency. All primers are regularly and rigorously analyzed for consistency and sensitivity at temperatures and situations significantly further than the array of winchester 41 primers standard use. Winchester assures carefully-controlled weights of primer mixtures, consistency in size and top quality, exact measurements and tolerances for anvil heights and balance in extremes of temperatures and humidity.