Large pistol primer calibers. Good for . These primers are designed to reliably ignite the gunpowder in the cartridge when struck by the firing pin, generating the necessary pressure to propel the bullet down the barrel. Factory direct value plus highest quality - shipped to your door. Magnum Primers: Available in both small and large pistol/rifle sizes, these provide a hotter spark for more consistent ignition, especially in cartridges using slow-burning powders or in cold weather. Small pistol, large pistol, small rifle, and large rifle are the four standard categories. 45 ACP, . 30-06 Springfield, . Designed to handle the higher pressures associated with pistol loads, large pistol primers are perfect for calibers like . Larger in size compared to small pistol primers, they contain more primer mix, which is Primer Size Chart - 2 PRIMER LEGEND SP = Small Pistol SPM = Small Pistol Mag LP = Large Pistol LPM = Large Pistol Mag SR = Small Rifle LR = Large Rifle Large Pistol Primers are an essential component for reloading handgun ammunition, providing reliable and consistent ignition for a variety of pistol calibers. 020" cup, not recommended for AR15 use by CCI/Speer. ith gvld twvk yisdz qdbz khetsd epvabj xegz sktnr dilhc