Remington Large Rifle Magnum Primers #9-1/2M

Looking for Remington primers 9-1/2M? Built with subcomponents assembled to exceptionally tight tolerances — cup dimensions controlled to .0001″ — this large rifle magnum primer delivers consistent ignition across a wide variety of powder types, purpose-built for magnum rifle cartridges that need extra ignition energy.

Every Remington primer is tested for reliability from -20°F to +150°F, with a unique tripod anvil design that provides maximum sensitivity even with off-center firing pin strikes — a real advantage for hunters facing unpredictable field conditions. Reloaders searching for Remington primers 9-1/2M are typically loading magnum cartridges like 7mm Remington Magnum or .300 Winchester Magnum, where slower-burning powders demand the hotter, longer flame this magnum primer provides.

Why Magnum Primers Matter for Big Cartridges

Skipping the magnum step-up on a load that calls for it can mean inconsistent ignition and unpredictable pressure — which is why Remington primers 9-1/2M is the specific primer so many magnum rifle recipes call for by name. As always, cross-reference your specific magnum load with Remington’s official reloading data before loading.

If your cartridge doesn’t call for the extra magnum energy, our Remington Small Rifle Primers #6-1/2 may be a better match depending on your specific caliber.

With Remington primers 9-1/2M 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 Remington Primers lineup or check out our Smokeless Powder selection too.

1000-count. DOT-regulated HazMat product.