Alliant Power Pro 4000MR Smokeless Gun Powder – 1Lb


Alliant Powder 4000-MR


American-made powder designed for magnum rifle calibers, Alliant Power Pro 4000-MR Powder has become a preferred choice. Because this powder produces better velocity and density, it is easier to meter. To ensure superior performance for .300 Winchester Magnum and 7mm cartridges, the powder undergoes extensive testing in a ballistics laboratory.


WARNING: This product can expose you to chemicals which are known by the state of California to cause cancer and birth defects or other reproduction harm. For information go to

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Alliant Power Pro 4000MR Smokeless Gun Powder

Every container of Alliant Smokeless Powder is backed by a century of manufacturing experience and the industry’s most stringent quality control procedures. To ensure consistency, the chemical composition, grain shape and size, and overall density are constantly checked and tested in a ballistics lab.

Alliant Power Pro 4000-MR Smokeless Gun Powder 1 lbAlliant ALLIANT POWDER POWER PRO 4000MR 8LB. CAN | Freedom Weapons
The Alliant Power Pro 4000MR has excellent velocity and lot-to-lot uniformity. The 4000-MR powder is a spherical powder designed for magnum rifle calibers, with improved velocity and density for easier metering. Because it is designed for specific cartridges and applications, reloaders will be able to create a load that is similar to factory loaded ammunition. The Alliant Power Pro 4000MR powder performs admirably in 7mm and 300 Winchester Magnum cartridges.

Warnings from the Manufacturer:

  • 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.