IMR Smokeless Powders

IMR, short for Improved Military Rifle, has been one of the most respected names in smokeless reloading powders for more than a century. Generations of hunters, competitive shooters, and handloaders have relied on IMR powders because of their dependable performance, proven accuracy, and broad application across many of the world's most popular rifle cartridges.

IMR powders are especially well known for traditional extruded rifle powders that have become standards in the reloading community. Popular choices such as IMR 4064®, IMR 4350®, IMR 4895®, IMR 3031®, IMR 4198®, and IMR 7828 SSC® continue to be trusted for cartridges including .223 Remington, .308 Winchester, .30-06 Springfield, 6.5 Creedmoor, .270 Winchester, .243 Winchester, and many others. IMR also offers powders for selected handgun and specialty applications, giving reloaders dependable options across a wide range of firearms.

Reloaders appreciate IMR powders for their consistent burn characteristics, reliable ignition, and long-established load data. Many classic rifle loads published in respected reloading manuals feature IMR powders because of their proven track record in both hunting and precision target shooting. Choosing the correct powder for your cartridge, bullet weight, and intended application is critical for safe and accurate ammunition, so always consult current published load data before beginning any load development.

At ReloadingEverything.com, you'll find IMR smokeless powders along with premium bullets, brass, primers, reloading dies, presses, and accessories to complete your handloading bench. Whether you're loading ammunition for hunting season, precision competition, or weekend range practice, IMR powders continue to deliver the consistency and performance that reloaders have trusted for decades.

Featured Product Families

• IMR 3031®

• IMR 4064®

• IMR 4198®

• IMR 4320® (if available)

• IMR 4350®

• IMR 4895®

• IMR 7828 SSC®

• IMR 8133®

• Trail Boss® (if available)

Frequently Asked Questions (FAQ's)

What is IMR smokeless powder used for?

IMR manufactures smokeless powders for rifle and selected handgun cartridges, making them suitable for hunting, precision shooting, target practice, and general handloading.

What is IMR 4064 best known for?

IMR 4064 has long been a favorite among reloaders for cartridges such as the .308 Winchester and .30-06 Springfield because of its accuracy and dependable performance. Always consult current published load data for your specific application.

Is IMR 4350 good for hunting cartridges?

Yes. IMR 4350 is widely used in many medium- and large-capacity rifle cartridges commonly chosen for hunting. Powder selection should always follow current published load data.

What is the difference between IMR 4895 and Hodgdon H4895?

Although their names are similar, IMR 4895 and Hodgdon H4895 are different powders with distinct load data. They should never be substituted charge-for-charge. Always use data developed specifically for the exact powder you are using.

Where can I find IMR load data?

Always consult Hodgdon's official Reloading Data Center, current IMR published data, or a reputable reloading manual before assembling ammunition.