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Description
Buy IMR 4350 Smokeless Gun Powder
IMR 4350 is in stock now at Primers Reloading, giving rifle reloaders a trusted medium-to-slow burning powder that has earned a loyal following over decades. It’s known as the number one choice for the short magnum cartridges from Remington and Winchester, and it also works well in a long list of other popular rifle rounds like the .30-06, 6.5 Creedmoor, and .243 Winchester.
What is IMR 4350?
IMR 4350 is an extruded rifle powder with a medium-to-slow burn rate. “Extruded” means the grains are shaped like small cylinders. It’s a single-base powder, meaning it’s made without nitroglycerin. Hodgdon makes it in Canada.
Hodgdon says IMR 4350 is the best choice for magnum cartridges shooting light-to-medium weight bullets. A slower burn keeps pushing the bullet longer, which suits bigger cartridge cases.
Which cartridges use IMR 4350?
IMR 4350 works well in many rifle cartridges, including:
- Short magnums from Remington and Winchester
- .300 Winchester Magnum
- .338 Lapua Magnum
- .30-06 Springfield
- 6.5 Creedmoor
- 6mm Creedmoor
- .243 Winchester
- .270 Winchester
- .25-06 Remington
- .308 Winchester
- .280 Ackley Improved
Always use Hodgdon’s published load data (or another trusted reloading manual) for your exact cartridge, bullet weight, and primer before loading, since not every cartridge is listed for every powder.
Why reloaders choose IMR 4350
- Number one choice for short magnums – Hodgdon names it the top pick for the newer short magnum cartridges.
- Great for light-to-medium magnum bullets – A strong match for those bullet weights.
- Versatile – One powder that covers many popular hunting and target cartridges.
- Accurate and consistent – Reloaders report tight groups and steady velocities across many rifles.
- Proven for decades – Reloaders say they’ve used it for 25, 40, or even 50 years or more.
Available sizes
- 1-pound container – Great for trying it out or working up a new load.
- 8-pound container – Best value for high-volume reloaders.
Why buy IMR 4350 from Primers Reloading
- Trusted, proven brand – IMR is one of the most respected names in rifle powder.
- In stock and ready to ship – No long waits or backorders.
- Right size for your bench – From a single pound to a full 8-pound container.
Shipping information
Smokeless powder is classified as a hazardous material for shipping, so a few rules apply:
- Ground shipping only — never by air.
- Shipped separately from non-hazmat items, and typically cannot ship in the same box as primers due to combined hazmat limits.
- Requires an adult signature (21+) upon delivery.
- Some states and localities have additional restrictions on powder shipments, and per-order quantity limits may apply.
We handle all of the compliance details on our end, so all you need to do is place your order and be ready to sign when it arrives.
Frequently Asked Questions
What is IMR 4350 best used for?
It’s best known as the top choice for short magnum cartridges, and it also works well in many popular rifle cartridges like the .30-06, 6.5 Creedmoor, and .243 Winchester.
What kind of powder is IMR 4350?
It’s a single-base extruded rifle powder with a medium-to-slow burn rate. The grains are shaped like small cylinders.
Where is IMR 4350 made?
Hodgdon makes IMR 4350 in Canada.
Is IMR 4350 a good powder for heavy bullets?
Hodgdon says it’s the best choice for magnums with light-to-medium bullet weights. For heavier bullets, check the published load data to find the best powder for your exact bullet.
What sizes does IMR 4350 come in?
It’s available in 1-pound and 8-pound containers.
Can smokeless powder be shipped to my state?
Most states allow direct shipping, but some states and cities have additional restrictions or quantity limits. Check our shipping policy or contact us before ordering if you’re unsure.







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