Product Description Remington Centerfire No. 9 1/2 Magnum Rifle primers are built for consistent, reliable ignition in magnum rifle loads and other applications that benefit from a hotter primer. Manufactured to exceptionally precise tolerances, these primers feature tightly controlled cup and metallic dimensions and a specially formulated priming mix designed to deliver dependable performance with a wide variety of powder types. Remingtons unique tripod anvil design increases the effective strike area for improved sensitivity, helping promote ignition even with off-center firing pin strikes. Each brick contains 1,000 primers (10 boxes of 100) for high-volume reloading. Product Highlights Magnum large rifle primer engineered for consistent ignition with slow-burning and magnum powders Primer cup dimensions held to four decimal places for uniform seating and pressure integrity Unique tripod anvil design creates a larger sweet spot for maximum sensitivity Reliability tested for performance from -20F to +150F 1,000-count brick (10 boxes of 100) supports batch loading and lot consistency Specs Brand: Remington Ammunition Product Type: Centerfire primers (magnum rifle) Primer Type: No. 9 1/2 Magnum Rifle (Large Magnum Rifle) Quantity: 1,000 primers (10 boxes of 100) Tested Temperature Range: -20F to +150F Compatible With: Large magnum rifle calibers (examples include 270 WSM, 300 RUM, 264 Win Mag) Country of Manufacture: USA Manufacturer Part Number: 22622 UPC: 047700095615 Disclaimer: 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 products manufacturer.