To begin, IMR 4064 is a medium-range burn speed powder and is one of the most versatile propellants in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. Also, IMR 4064 offers versatility with uniformity and accuracy.
Available in 1-LB and 8-LB containers.
THE IMR STORY
To begin, the DuPont Corporation allowed for the creation of The IMR brand under its umbrella. In fact, E. I. Dupont arrived in America in 1800 determined to make improved gunpowder and, by 1802, was producing gunpowder in a new plant along the Brandywine River in Wilmington, Delaware (this plant morphed into what is today the GOEX brand of black powder).
DuPont had historically been a major supplier of military propellants long before becoming one of the handloader’s favorite powders. First used in battle in 1805 by the United States naval forces against pirates off the coast of Algiers, DuPont supplied more than 80% of Allied Forces powder needs in World War I. In WW II ammunitions used every two weeks was equivalents to those used in the entirety of WW I. An incredible 2.5 billion pounds of smokeless propellants was manufactured by DuPont for Allied Forces in World War II due to this demand.
The IMR brand was first introduced under DuPont in the 1930’s. IMR is an acronym for Improved Military Rifle. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). Each of these are still favorites with handloaders today! The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. For this reason, the IMR brand powders truly are Legendary products.
Time does not stand still and neither does the IMR brand. New technology allows for positive changes to versions of the traditional IMR burn speeds to be introduced although the brand continues to be a favorite of handloaders everywhere. These improved powders, identified by the “Enduron” sub-branding, offer improved temperature stability and an additive that removes copper bullet jacket fouling as you shoot. The Enduron powders are the first to offer all these features at the same time. The Enduron powder line continues to bring new burn rate offerings to the handloader.
Even in the early days, DuPont focused on innovation – offering “any quantity of powder as good or better than any available”. IMR constantly focuses on innovation nowadays. Originally a line of rifle powders the IMR brand has been expanded to include powders for use in handgun, shotshell and muzzleloaders. For 2017, IMR introduced five new pistol and shotshell powders. The IMR brand commitment to bring new and legendary powders to the handloader is a never-ending process.
Hodgdon Powder Company in 2003 acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX and also, any gunpowder required by handloaders found through these brands.
Keep gunpowder products out of the reach of children. Handle with care. Do not store with combustibles.
Hodgdon® Powder, IMR® Powder, and Winchester® Powder expressly disclaim any and all warranties with respect to any and all products sold or distributed by them, the safety or suitability thereof, or the results obtained including, without limitation, any implied warranty of merchantability or fitness for a particular purpose and/or any other warranty.
Buyers and users assume all risk, responsibility, and liability whatsoever for any and all injuries (including death), losses or damages to persons or property (including consequential damages), arising from the use of any product or data, whether or not occasioned by the seller’s negligence or based on strict liability or principles of indemnity or contribution.
Hodgdon®, IMR®, and Winchester® powders neither assume nor authorize any person to assume for it any liability in connection with the use of any product or data. Store gunpowder products in a cool, dry place. Keep gunpowder products away from heat, open flame, and sparks.
Avoid impact and friction. Do not smoke when handling any gunpowder products.
Always wear ear and eye protection when handling, loading, and firing firearms.
Also, Wash hands thoroughly after exposure. Read safety instructions on the packaging before use. Never mix any two powders regardless of type, brand, or source. Never substitute any use nitrocellulose-based smokeless powder for Black Powder or any Black Powder substitute.
In conclusion, never use nitrocellulose-based smokeless propellant powder in muzzleloading firearms. Use the data provided with Hodgdon, IMR, and Winchester powders only. For all powders, use only the components shown.
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