Winchester Magnum Small Pistol Primers
Winchester® non-corrosive, Magnum Pistol Primers deliver fast, dependable ignition under any shooting condition. Without a good primer, the only thing that happens when your firing pin falls is a potential disaster. Winchester tests their primers rigorously for consistency and sensitivity at temperatures and conditions far beyond the range of normal usage. Winchester magnum pistol primers maintain stability in extremes of temperature and humidity in both loaded ammunition or stored in boxes on the shelf.