Reloading your own 300 Blackout ammunition offers significant advantages: cost savings, customized performance, and the satisfaction of crafting your own rounds. However, safety and precision are paramount. This guide provides comprehensive reloading data for the 300 Blackout cartridge, focusing on different bullet weights and powder types for various applications. Always consult your reloading manual and prioritize safety above all else. This information is for guidance only and should not be considered a substitute for proper training and your own diligent research.
Understanding the 300 Blackout Cartridge
The 300 Blackout, also known as the 7.62x35mm, is a versatile cartridge designed for short-barreled rifles and carbines. Its popularity stems from its effective performance at close to medium ranges, suitability for suppressed use, and ability to handle a wide range of bullet weights, from subsonic to supersonic.
Reloading Data: A Starting Point
The following data provides starting points for reloading 300 Blackout ammunition. Remember, these are just starting loads, and you must work up to your rifle's optimal load by carefully increasing powder charges in small increments while meticulously observing for pressure signs. Never exceed the maximum listed load in any reloading manual.
Bullet Weight: 125 Grain
| Powder Type | Powder Charge (Grains) | Primer | COL (inches) | Notes |
|---|---|---|---|---|
| CFE BLK | 19.0 - 20.5 | Small Rifle Magnum | 2.18 - 2.22 | Start low, work up slowly. |
| Accurate #1680 | 21.0 - 22.5 | Small Rifle Magnum | 2.18 - 2.22 | Start low, work up slowly. |
| (Add More Powders Here with their data, following the same table format. ) |
Bullet Weight: 150 Grain
| Powder Type | Powder Charge (Grains) | Primer | COL (inches) | Notes |
|---|---|---|---|---|
| CFE BLK | 17.0 - 18.5 | Small Rifle Magnum | 2.20 - 2.24 | Start low, work up slowly. Good for subsonic loads |
| Accurate #9 | 18.5 - 20.0 | Small Rifle Magnum | 2.20 - 2.24 | Start low, work up slowly. Good for subsonic loads |
| (Add More Powders Here with their data, following the same table format. ) |
Bullet Weight: 220 Grain (Subsonic)
| Powder Type | Powder Charge (Grains) | Primer | COL (inches) | Notes |
|---|---|---|---|---|
| Lil'Gun | 7.5 - 8.5 | Small Rifle Magnum | 2.25 - 2.29 | Start low, work up slowly. For suppressed use |
| Accurate #7 | 8.0 - 9.0 | Small Rifle Magnum | 2.25 - 2.29 | Start low, work up slowly. For suppressed use |
| (Add More Powders Here with their data, following the same table format. ) |
Essential Reloading Equipment
- Reloading Press: A single-stage or progressive press, depending on your volume needs.
- Dies: Sizing die, powder measure, bullet seater die.
- Powder Scale: For accurate powder measurement. A digital scale is recommended.
- Case Trimmer: To ensure consistent case lengths.
- Bullet Puller: For removing bullets if needed.
- Primer Seating Tool: For consistent and safe primer seating.
- Case Lubricant: To ease case sizing.
Safety Precautions
- Always wear safety glasses and hearing protection.
- Work in a well-ventilated area.
- Never mix powders.
- Follow all instructions in your reloading manual.
- Inspect each round carefully before loading into your firearm.
- Clean your firearm regularly.
This guide provides a starting point for reloading 300 Blackout ammunition. Remember to consult your reloading manual and work up to optimal loads safely and responsibly. Enjoy the process and remember that precision and safety are paramount. Happy reloading!
