IMR 4198 Smokeless Gun Powder – High-Performance Reloading Powder
IMR 4198 Smokeless Gun Powder – Overview
IMR 4198 Smokeless Gun Powder is a versatile, extruded powder designed for small to medium rifle cartridges. Known for its clean burn and consistent performance, it is a top choice for reloaders seeking precision in cartridges like the .223 Remington, .30-30 Winchester, and .22 Hornet.
This powder features a medium burn rate, making it ideal for both reduced loads and full-power applications. Its extruded granule structure ensures uniform metering, reducing velocity variations for improved accuracy.
Key Features of IMR 4198 Smokeless Gun Powder
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Consistent Burn Rate: Optimized for small rifle cartridges, delivering reliable ignition and velocity.
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Clean-Burning Formula: Minimizes fouling, reducing barrel maintenance.
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Extruded Granules: Ensures smooth flow through powder measures for precise reloading.
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Temperature Stability: Performs reliably in varying weather conditions.
Best Uses for IMR 4198 Smokeless Gun Powder
IMR 4198 Smokeless Gun Powder excels in cartridges requiring a medium burn rate. Popular applications include:
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.223 Remington (reduced loads for varmint hunting)
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.30-30 Winchester (classic lever-action performance)
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.22 Hornet (excellent for small game hunting)
For magnum pistol loads, consider pairing with other powders, but IMR 4198 remains a rifle-focused solution.
Reloading Data & Safety Guidelines
Always consult the latest IMR reloading manual for precise load data. Below are general recommendations:
| Cartridge | Bullet Weight (gr) | Starting Load (gr) | Max Load (gr) |
|---|---|---|---|
| .223 Rem | 55 | 18.0 | 21.0 |
| .30-30 | 150 | 24.0 | 27.0 |
| .22 Hornet | 45 | 10.0 | 12.0 |
Safety Note: Store in a cool, dry place and avoid mixing with other powders.