IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice.

IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data.

Available in 1-LB and 8-LB containers.

IMR Legendary Powders is a line of smokeless powders which are popularly used in sporting and military/police firearm cartridges. The initials ‘IMR’ stand for Improved Military Rifle powder. IMR powders make a line of various types of smokeless powders such as IMR 4350. IMR Legendary Powders are suitable for loading many cartridges for rifles, handguns, and shotguns. In 2003 the Hodgdon Powder Company purchased IMR powders.

Important Information

• Do not exceed the loads displayed in the reloaders guide.
• Never mix any two powders regardless of type, brand, or source.
• Never substitute any smokeless powder for Black Powder or any Black Powder substitute.

If you’re looking for a quality propellant powder that you can depend on, you’ll want to bring along IMR® 4350 Smokeless Reloading Powder the next time you’re out in the field.