The .460 S&W Magnum is a powerful cartridge, demanding respect and precision when it comes to reloading. This guide provides comprehensive load data for the .460 S&W, emphasizing safety and accuracy. Remember, always prioritize safety and consult your firearm's manual before attempting any reloading. This information is for educational purposes only and should not be considered a substitute for professional reloading instruction.
Understanding the .460 S&W
The .460 S&W, with its substantial case capacity and powerful propellant charge, necessitates careful attention to detail during the reloading process. Improperly loaded ammunition can result in dangerous malfunctions, damage to your firearm, and serious injury.
Key Considerations for Reloading .460 S&W:
- Proper Equipment: Invest in a quality reloading press, powder scale, case trimmer, and other necessary tools. Accuracy is paramount.
- High-Quality Components: Use only high-quality bullets, primers, and powders specifically designed for the .460 S&W. Compromising on component quality can lead to inconsistencies and potential dangers.
- Consistent Measurements: Precise measurements of powder and bullet seating depth are critical. Even minor variations can significantly affect pressure and accuracy.
- Start Low, Work Up: Always start with minimum load data and gradually increase charges while meticulously monitoring pressure signs. Never exceed maximum recommended loads.
- Safety Precautions: Wear safety glasses and hearing protection. Reload in a well-ventilated area.
.460 S&W Load Data (Examples - NOT a complete list)
Disclaimer: The following load data is for illustrative purposes only. It is crucial to consult published load manuals from reputable sources like Hodgdon, Alliant, or Accurate Arms for comprehensive and up-to-date load data specific to your components and firearm. This data should not be used without referring to a trusted loading manual.
This is not exhaustive and should never replace manufacturer's data.
| Bullet Weight (grains) | Powder Type | Powder Charge (grains) | Primer | COL (inches) | Notes |
|---|---|---|---|---|---|
| 300 | IMR 4227 | 45.0 - 48.0 | Large Rifle Magnum | 2.100 | Start low, work up |
| 300 | Alliant 2400 | 50.0 - 53.0 | Large Rifle Magnum | 2.100 | Start low, work up |
| 350 | Accurate #9 | 55.0 - 58.0 | Large Rifle Magnum | 2.150 | Start low, work up |
| 400 | Hodgdon H110 | 60.0 - 63.0 | Large Rifle Magnum | 2.200 | Start low, work up |
COL refers to Cartridge Overall Length. This measurement is critical and must be precise.
Pressure Signs: Be aware of potential pressure signs during loading and shooting, including:
- Excessive primer flow: Primer material extruding from the primer pocket.
- Flattened primers: Primers significantly flattened or deformed.
- Stuck cases: Cases difficult to extract from the chamber.
- Unusual noise or recoil: Notably louder reports or significantly increased recoil.
If you notice any of these signs, immediately stop loading and shooting. Reduce your powder charge and reassess your loading procedure.
Resources for Responsible Reloading
- Hodgdon Powder Company: [Hodgdon's website would go here if linking were allowed]
- Alliant Powder: [Alliant's website would go here if linking were allowed]
- Accurate Arms: [Accurate Arms' website would go here if linking were allowed]
These manufacturers offer comprehensive reloading manuals and data specific to their powders. Always refer to these resources for safe and accurate load data.
Conclusion
Reloading .460 S&W ammunition requires meticulous attention to detail, precision, and safety. By following these guidelines and consulting reputable resources, you can safely and successfully reload your own ammunition. Remember, responsibility is paramount in handling powerful cartridges like the .460 S&W. Always prioritize safety and never compromise on quality.
