Winchester Large Pistol Primers Winchester Large Pistol Primers deliver fast, dependable ignition under any shooting condition. Non-corrosive, non-mercuric, Winchester primers maintain stability in extreme temperatures and humidity in both loaded ammunition or in storage. Dependable ignition Maintain stability in extreme temperatures and humidity Made In the United States of America WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov. Product Information Quantity 1000 Piece Primer Size Large Pistol Country of Origin United States of America