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.

Quantity Information:

• Box of 1000: 10 Sleeves of 100
• Box of 5000: 5 boxes of 1000

Features

• Non-corrosive and non-mercuric
• These primers contain no ingredients that cause barrel rusting
• Legendary Reliability, Consistency, and Precision

Specifications for Winchester Small Rifle 5.56mm NATO-Spec Military Primers #41