IMR 4831 Smokeless Gun Powder – High-Performance Rifle Powder
IMR 4831 Smokeless Gun Powder Overview
IMR 4831 Smokeless Gun Powder is a versatile, extruded rifle powder designed for magnum and large-capacity cartridges. Known for its consistent burn rate, it delivers excellent velocity and accuracy in long-range shooting.
This powder works exceptionally well in cartridges like the .270 Winchester, 7mm Remington Magnum, and .25-06 Remington. Its moderate burn speed ensures efficient pressure curves, making it a top choice for precision reloaders.
Key Features & Benefits
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Consistent Performance: Engineered for uniform ignition and predictable pressure levels.
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High Energy Output: Optimized for magnum rifle loads, maximizing bullet velocity.
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Temperature Stable: Reliable performance in varying climates.
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Low Residue: Burns cleanly, reducing fouling in rifle barrels.
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IMR 4831 Smokeless Gun Powder
Recommended Load Data for IMR 4831 Smokeless Gun Powder
Below are common cartridges and their optimal load ranges with IMR 4831 Smokeless Gun Powder:
| Cartridge | Bullet Weight (gr) | Powder Charge (gr) | Velocity (fps) |
|---|---|---|---|
| .270 Winchester | 130-150 | 54.0 – 58.0 | 2,900 – 3,100 |
| 7mm Remington Magnum | 150-175 | 62.0 – 66.0 | 2,950 – 3,150 |
| .25-06 Remington | 100-120 | 48.0 – 52.0 | 3,000 – 3,200 |
Always consult official reloading manuals and start with minimum charges.
Best Uses for IMR 4831 Smokeless Gun Powder
This powder excels in magnum and long-action rifle cartridges, providing optimal burn rates for extended-range accuracy. It is not recommended for small-capacity or pistol cartridges, where faster powders like IMR 4895 perform better.
For hunters and competitive shooters, IMR 4831 Smokeless Gun Powder ensures tight groupings and dependable terminal performance. Its extruded kernel design promotes uniform metering, reducing charge weight variations.
Storage & Safety Guidelines
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Store in a cool, dry place away from heat sources.
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Keep in original container with sealed lid to prevent moisture absorption.
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Avoid mixing with other powders to prevent contamination.