IMR 4350 Smokeless Gun Powder: The Ultimate Short Magnum Propellant for 6.5 Creedmoor and .300 WSM Loads

IMR 4350 has earned its place as one of the most widely used rifle powders on the market. This medium-slow burning extruded powder performs reliably across an unusually wide range of cartridges, making it a staple for hunters, competition shooters, and long-range precision reloaders alike.

Proven Across Popular Cartridges

Reloaders load IMR 4350 in everything from 6.5 Creedmoor to .270 Winchester to .300 Winchester Magnum. Because of its versatility, many reloaders keep it on hand as a go-to powder for multiple rifles and calibers. In addition, its extensive published load data makes it easier to find a proven starting point, whether you’re loading a classic .30-06 hunting round or a modern long-range magnum cartridge.

IMR 4350 vs H4350: Know the Difference

Reloaders often compare IMR 4350 to Hodgdon’s H4350. While both are medium-slow burning powders in a similar class, they are distinct products with different burn characteristics and load data. As a result, always use load data specific to the exact powder you’re loading rather than substituting one for the other without verified data.

IMR 4350 For Sale, In Stock

USReloadingPowder keeps IMR 4350 in stock for reloaders who depend on its versatility. Each canister meets strict manufacturing standards, so you get the same dependable performance that’s made IMR 4350 a long-time favorite. Browse our full lineup on the IMR Powder category page.

Quick Specs

• Type: Extruded, medium-slow burning rifle powder
• Manufacturer: IMR (Hodgdon Powder Company)
• Best for: 6.5 Creedmoor, .270 Winchester, .30-06, .300 Winchester Magnum, and many other cartridges
• Container size: Confirm against product listing

FAQs

What is IMR 4350 powder used for? Reloaders use IMR 4350 across a wide range of rifle cartridges, including 6.5 Creedmoor, .270 Winchester, .30-06 Springfield, and .300 Winchester Magnum, thanks to its versatile medium-slow burn rate.

What’s the difference between IMR 4350 and H4350? IMR 4350 and Hodgdon H4350 are similar in burn rate class but are distinct products with different load data. Always use data specific to the exact powder you’re loading.

Is there load data for .300 Win Mag with 208gr ELD-M bullets using IMR 4350? Yes, this is a commonly loaded combination among long-range shooters. Always confirm current, specific load data from IMR’s official reloading data center or a trusted reloading manual before loading this combination.

Where can I find IMR 4350 load data? IMR and Hodgdon publish official load data for IMR 4350 on their reloading data center. Always confirm current load data directly from the manufacturer or a trusted reloading manual before loading.

Is IMR 4350 the same as DuPont IMR 4350? IMR powders were originally manufactured under the DuPont name before the IMR brand changed ownership. Today’s IMR 4350 continues that legacy under current manufacturing.

Is IMR 4350 powder in stock? Yes, USReloadingPowder carries IMR 4350 and restocks regularly. Check the product page for current availability.

How should I store IMR 4350 powder? Store IMR 4350 in a cool, dry place, away from direct sunlight and heat sources. Keep it sealed in its original container to maintain consistency and safety.