IMR 7828 is a popular extruded powder known for its versatility and suitability across a range of cartridges. This guide provides comprehensive load data for IMR 7828, emphasizing safety and accuracy. Always consult your own reloading manuals and reference books before attempting any reloading. This information is for educational purposes only and should not be considered a substitute for professional guidance. Improper reloading practices can lead to serious injury or death.
Understanding IMR 7828
IMR 7828 is a relatively slow-burning, extruded powder, making it ideal for larger cartridges and magnum loads. Its burn rate characteristics contribute to consistent accuracy and reduced pressure spikes. It's often favored for its excellent performance in hunting and target applications. However, its slow burn rate means it may not be suitable for all applications. Careful attention to load data is crucial.
Key Characteristics:
- Extruded Powder: This type of powder offers consistent burn rates and better metering characteristics than ball powders.
- Slow Burning Rate: Suitable for larger cartridges and magnum loads.
- Versatility: Can be used in a wide range of calibers and applications.
- Accuracy: Known for delivering excellent accuracy when used correctly.
IMR 7828 Load Data Examples
The following data is for illustrative purposes only. Do not use this data without cross-referencing it with your own reloading manuals. Always start at the minimum charge and work your way up, carefully monitoring pressure signs. This data is not exhaustive and covers only a small subset of possible cartridges.
Disclaimer: The following data is for informational purposes only and should not be interpreted as a recommendation. Always consult your own reloading manuals and other reputable sources for specific load data that matches your components (bullets, primers, brass) and equipment. Failure to do so could result in serious injury or death.
| Cartridge | Bullet Weight (grains) | Bullet Type | Primer | Powder Charge (grains) | COL (inches) | Notes |
|---|---|---|---|---|---|---|
| .308 Winchester | 150 | FMJ | Federal 210M | 42.0 - 44.0 | 2.01 | Start low, work up slowly. |
| .30-06 Springfield | 150 | SP | Remington 9 1/2 | 48.0 - 50.0 | 3.34 | Start low, work up slowly. |
| 7mm Remington Magnum | 160 | Nosler Partition | Remington 9 1/2 | 60.0 - 62.0 | 2.85 | Start low, work up slowly. Use caution. |
| .300 Winchester Magnum | 180 | Nosler AccuBond | Federal 215M | 65.0 - 67.0 | 3.00 | Start low, work up slowly. Use caution. |
Note: COL refers to Cartridge Overall Length.
Safety Precautions for Reloading with IMR 7828
- Always wear safety glasses: This is paramount in any reloading process.
- Work in a well-ventilated area: Powder fumes can be harmful.
- Never exceed maximum load data: Overloading can lead to catastrophic equipment failure.
- Use a reliable scale: Accurate powder measurement is crucial for safety and consistency.
- Inspect your cases: Make sure they're free of defects before reloading.
- Clean your equipment regularly: This ensures accurate and safe operation.
- Store powder properly: Keep it in a cool, dry place away from ignition sources.
Finding More Information
This guide provides a starting point for understanding IMR 7828 load data. However, it's crucial to consult reliable resources before undertaking any reloading. Refer to the official IMR website and reputable reloading manuals from companies like Hodgdon, Lyman, and Sierra Bullets for detailed and up-to-date load data specific to your needs. Remember, safe reloading practices are essential for your safety and the success of your reloading endeavors.
This information is provided for educational purposes only and does not constitute professional reloading advice. Always consult reliable reloading manuals and adhere to safety precautions before handling firearms or reloading ammunition. The author and publisher assume no responsibility for any injury or damage resulting from the use of this information.
