Large Pistol Magnum Primed Ammo

Be sure that you reference your reloading manual before using any primers to ensure safe reloading. 

Large Magnum Pistol Primers are used for cold weather conditions and for use with larger cased ammunition.  Large Magnum Pistol Primers are the same dimensions as standard pressure Large Pistol Primers, but burn hotter.  For this reason Large Magnum Pistol Primers should not be used to replace standard pressure Large Pistol Primers.  Large Magnum Pistol Primers are used in some magnum caliber loads from .41 Magnum and larger.  Large Magnum Pistol Primers are most commonly seen in .44 Magnum ammunition.

Large Pistol Magnum Primers