Accurate MagPro Smokeless Gun Powder

Clear Product Overview

Accurate MagPro Smokeless Gun Powder is an ultra-slow burning, double-base spherical rifle propellant engineered specifically for modern short magnum and traditional large-bore magnum cartridges. Produced by Accurate Powders, MagPro was formulated to maximize load density, velocity potential, and volumetric metering precision in high-pressure magnum rifle applications.

First, MagPro features a dense spherical grain configuration that flows with extreme accuracy through progressive and single-stage powder measures. Consequently, long-range reloaders achieve remarkably uniform charge weights and low velocity standard deviations across large-volume cases. In addition, its slow burn rate is optimized for modern short magnum designs and over-bore magnum cartridges pushing heavy-for-caliber projectiles. As a result, it is a premier choice for shooters loading .300 WSM, .270 WSM, 7mm WSM, 7mm Remington Magnum, .300 Winchester Magnum, and .264 Winchester Magnum. Furthermore, its clean-burning double-base formulation maintains predictable pressure curves and delivers high downrange energy. Therefore, it provides big-game hunters and long-range competitors with flat trajectories and devastating terminal performance.

Relevant Specifications

• Brand: Accurate Powders (Hodgdon Powder Company)

• Product Line: Double-Base Spherical Rifle Propellants

• Powder Name: MagPro

• Powder Type: Double-Base Spherical / Ball Grain

• Burn Rate: Very Slow Rifle (Similar class to Hodgdon H4831, Alliant Reloder 22, Vihtavuori N165, and Winchester 780 Supreme)

• Primary Applications: Short Magnum & Traditional Magnum Rifle Cartridges (.300 WSM, .270 WSM, 7mm WSM, 7mm Rem Mag, .300 Win Mag, .264 Win Mag, 7mm STW)

• Available Sizes: 1 lb Canister & 8 lb Container

• Country of Origin: USA

Real-World Use Information

Handloaders select Accurate MagPro because it unlocks the true high-velocity potential of short magnum cartridge cases like the .300 WSM and .270 WSM. Consequently, big-game hunters gain flatter trajectories and maximum energy transfer downrange when targeting elk, moose, and mule deer.

Additionally, its spherical kernel structure drops effortlessly through volumetric powder measures without the kernel cutting or bridging common to long extruded stick powders. Therefore, reloaders spend less time hand-trickling individual charges while maintaining tight velocity tolerances. Furthermore, its high bulk density optimizes case fill in compact magnum hulls.

Compatibility & Requirements

• Application Use: Optimized for high-pressure short magnums, standard magnums, and over-bore bottleneck rifle cases; recommended for medium-to-heavy projectiles.

• Load Data: Always consult official Accurate/Hodgdon reloading tables prior to charging cases.

• Storage: Store powder in its original sealed container in a cool, dry area away from direct heat sources and open flames.

Pros & Limitations

Pros:

• Optimized for Short Magnums: Formulated specifically to maximize performance in .300 WSM, .270 WSM, and 7mm WSM.

• Flawless Volumetric Flow: Spherical grain geometry drops with sub-grain precision through powder measures.

• High Muzzle Velocities: Delivers top-tier kinetic energy and downrange velocities in large-bore magnum cases.

• Excellent Case Filling: Dense kernel packing maximizes usable case volume in short action magnum hulls.

Limitations:

• Specific Application Scope: Burn rate is far too slow for standard small-to-medium rifle cases like .308 Winchester or .223 Remington.

• Double-Base Composition: Double-base chemical formula can display minor thermal sensitivity in extreme weather fluctuations compared to single-base match powders.

Frequently Asked Questions (FAQs)

Q: What cartridges work best with Accurate MagPro?

A: Accurate MagPro excels in short magnum cartridges (.300 WSM, .270 WSM, 7mm WSM) as well as traditional magnum rounds like 7mm Rem Mag, .300 Win Mag, and .264 Win Mag.

Q: Is Accurate MagPro an extruded stick powder or a spherical powder?

A: Accurate MagPro is a double-base spherical (ball) powder engineered for exceptionally smooth volumetric flow.

Q: Do I need magnum primers with Accurate MagPro?

A: Yes. Large Rifle Magnum primers are strongly recommended to ensure positive, complete ignition of slow-burning spherical powder charges in magnum cases.

Shipping & Delivery Information

• HazMat Fee: Requires a Federal HazMat shipping fee per order.

• Shipping Method: Ground shipping only across the USA.

• Restrictions: No air shipping, P.O. Boxes, or international orders.

• Return Policy: All powder sales are final due to safety guidelines.