CCI Large Rifle Magnum Primers #250

Looking for CCI Large Rifle Magnum primers? The #250 is built for the heavier charges and slower-burning powders common in magnum rifle cartridges — exactly the kind of load where a standard large rifle primer can fall short of reliable, consistent ignition. CCI primers are continuously tested and improved, and today’s formulations are more sensitive, easier to seat, and more compatible with progressive and automated loading equipment than ever before.

Each #250 primer uses a modern, non-corrosive and non-mercuric initiator mix for the cleanest possible burn, and it’s a proven, trusted match for popular magnum cartridges like 7mm Remington Magnum, .300 Winchester Magnum, .338 Winchester Magnum, and .300 Weatherby Magnum. If you’re loading powders on the slower end of the burn scale, this is generally the primer your load data will call for over the standard version. As always, cross-reference your specific magnum load with CCI’s official reloading data before loading.

If you’re loading a military-pattern semi-auto rifle instead, our CCI Large Rifle 7.62mm NATO-Spec Military Primers #34 offers the added slam-fire protection those platforms specifically need.

With CCI Large Rifle Magnum primers in stock now at Ignite Reload, we’re shipping fast from our Langenburg warehouse to reloaders across Canada, including Fort St. John, Grande Prairie, Thunder Bay, Val-d’Or, Calgary, Edmonton, Winnipeg, and beyond. Browse our full CCI Primers lineup or check out our Smokeless Powder selection too.

1000-count. DOT-regulated HazMat product.