PowderAlliant PowderSold by Brownells

Alliant Powder

Power Pro 4000-Mr Powder - Power Pro 4000mr 8 Lb

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Magnum Hunting

Cartridges used on dangerous or

Manufactured Usa

Improved Velocity

Density for more efficient metering

Suited 7mm

.300 Win. Mag. cartridges

Helps Reloaders

Duplicate certain factory-loaded ammunition

$233.99
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SKU: 749011057

Overview

This powder is aimed at reloaders building magnum hunting cartridges for large or dangerous game. It is described as efficient, consistent, and powerful, with improved velocity and density to support more efficient metering and loading. The formulation is noted for strong performance in 7mm and .300 Win. Mag. cartridges, and it can be used to duplicate certain factory-loaded ammunition. Its density is designed to promote proper cartridge fit, making it a practical choice for serious magnum handloading.

Why Hunters Choose the Alliant Powder

Magnum Hunting

Cartridges used on dangerous or

Improved Velocity

Density support more efficient metering

Highlighted Strong

Performance in 7mm and .300

Can Help

Reloaders duplicate certain factory loaded

Density Is

Designed for proper cartridge fit

Key Features

  • Designed for magnum hunting cartridges used on dangerous or large game.
  • Manufactured in the USA.
  • Improved velocity and density for more efficient metering and loading.
  • Suited for 7mm and .300 Win. Mag. cartridges.
  • Helps reloaders duplicate certain factory-loaded ammunition.
  • Density is designed for proper cartridge fit.

Best Used For

  • Reloaders building magnum hunting cartridges for large or dangerous game.
  • Shooters loading 7mm or .300 Win. Mag. cartridges with consistent metering needs.
  • Handloaders aiming to duplicate certain factory-loaded ammunition specifications.
  • Users prioritizing powder density designed for proper cartridge fit in magnum loads.

Specifications

Cartridge Performance7mm and .300 Win. Mag.
Density Designed For Proper Cartridge FitYes
Factory Ammunition DuplicationEnables reloaders to duplicate certain factory loaded ammunition
Improved Velocity And DensityYes
Manufactured InUSA
Metering And LoadingMore efficient
Weight128 oz

Pros

  • Designed for magnum hunting cartridges used on dangerous or large game
  • Improved velocity and density support more efficient metering and loading
  • Highlighted for strong performance in 7mm and .300 Win. Mag. cartridges
  • Can help reloaders duplicate certain factory loaded ammunition
  • Density is designed for proper cartridge fit
  • Manufactured in the USA

Considerations & Trade-offs

  • Designed for magnum hunting cartridges, so it is not a general-purpose powder for every loading application.
  • The product description emphasizes 7mm and .300 Win. Mag. use, which may make it less relevant for reloaders working outside those cartridges.
  • Its density is intended for proper cartridge fit, so load development and fit considerations still matter for the specific cartridge and component combination.
  • The listing focuses on performance characteristics and does not provide detailed load data or compatibility specifics, so reloading plans should be verified against published data.

Suggested Comparisons

  • Other magnum rifle powders
  • Reloading powders for hunting cartridges
  • Powders for 7mm Magnum cartridges
  • Powders for .300 Win. Mag. cartridges

Suggested Accessories

  • Powder measure
  • Reloading scale
  • Reloading press
  • Case trimmer

Frequently Asked Questions

What type of reloading use is this powder intended for?

It is described for magnum hunting cartridges and heavy-lifting applications for dangerous or large game.

Which cartridges is it specifically noted for?

The source specifically mentions superior performance in 7mm and .300 Win. Mag. cartridges.

Can this powder be used to duplicate factory ammunition loads?

Yes. The description says it enables reloaders to duplicate certain factory loaded ammunition.

What does the product data say about metering and loading?

It states the powder has improved velocity and density for more efficient metering and loading, and that its density is designed for proper cartridge fit.

Who makes this powder and where is it manufactured?

The product is listed as Mfg: Alliant Powder and says it is manufactured in the USA.