Federal Premium Champion Centerfire Primers come in a 1,000-piece box and are widely regarded as some of the best centerfire primers on the market. These primers have been machined to very exacting tolerances and deliver optimal ignition, which makes them perfect for match shooters. These Federal Premium Champion Centerfire Primers give you peace of mind in knowing that they were manufactured with a great attention to detail and quality. These primers come in a variety of sizes for use with different calibers