Product DescriptionFederal Gold Medal primers are built to exacting tolerances to deliver the consistent ignition and high-quality performance that help make Federal Premium Gold Medal components a favorite among precision-minded shooters. The GM155M is a large magnum pistol match primer designed for reliable, uniform ignition in compatible large magnum pistol reloading applications. Packaged as a 1,000-count brick (with a 5-brick case pack), it is well suited for high-volume loading and competitive or serious range use.Product Highlights Gold Medal match-grade primers manufactured to exacting tolerances for consistent performance Large magnum pistol primer design intended to provide strong, dependable ignition Excellent choice for precision-focused reloaders and match shooting applications 1,000-count brick packaging for efficient high-volume reloading Compatible with large magnum pistol calibers such as .500 Linebaugh and .475 Linebaugh (and more)Specs Brand: Federal Product Line: Gold Medal Premium Primer Type: Large Magnum Pistol Match Quantity: 1,000 primers per box/brick Case Pack: 5 boxes/bricks per case MPN: GM155M UPC: 029465156916 Country of Manufacture: Made in the USADisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.