The cci 350 large pistol magnum primers are engineered for shooters who demand superior performance from their magnum handgun loads. Designed to handle the higher pressures and slower-burning powders of magnum cartridges, these primers ensure reliable ignition every time. CCI’s advanced design provides consistent ignition in even the toughest conditions, making them ideal for both competitive shooting and hunting. Whether you’re loading .44 Magnum or other large-bore calibers, trust CCI #350 primers for dependable performance shot after shot.