Winchester Small Rifle 5.56mm NATO-Spec Military Primers #41 Box of 1000 (10 Trays of 100)

Winchester Small Rifle 5.56mm NATO-Spec Military Primers Online. Winchester NATO-Spec Military Primers are the same primers used in the Lake City 5.56mm ammunition. These primers are built to exact specifications for shot-to-shot consistency. All primers are constantly and rigorously tested for consistency and sensitivity at temperatures and conditions far beyond the range of normal usage. Winchester guarantees carefully controlled weights of primer mixtures, consistency in size and quality, precise measurements and tolerances for anvil heights, and stability in extremes of temperatures and humidity. Buy Winchester Small Rifle 5.56mm NATO-Spec Military Primers Online.