Winchester USA Ready Match Large Pistol Primers 5000 Count Case by Winchester is now offering the USA Ready Match Large Pistol Primers in 5000 Count Case from Winchester. Winchester Match Primers are the same primers used in the match grade Winchester USA Ready ammunition. All primers are constantly and rigorously tested for consistency and sensitivity at temperatures and conditions far beyond the range of normal usage. These primers are built to exacting specifications for shot to shot consistency. Winchester guarantees better sensitivity for more positive firing in all guns and carefully controlled weights of primer mixtures and consistency in size and quality and precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity.
