The .308 Winchester remains a popular cartridge for hunting, target shooting, and long-range precision, and Varget powder is a frequent choice among reloaders for its exceptional accuracy and versatility. This guide provides comprehensive reloading data for .308 Winchester using Varget powder, focusing on safety, accuracy, and best practices. Always consult your own reloading manuals and prioritize safety above all else. The data presented here is for informational purposes only and should not be considered a substitute for proper reloading instruction.
Understanding Varget Powder
Varget is a relatively slow-burning, extruded powder known for its excellent metering characteristics and consistent performance across a wide range of temperatures. This makes it an ideal choice for precision shooting, where consistency is paramount. Its versatility also extends to various bullet weights and types, offering reloaders flexibility in their load development.
Key Considerations Before Reloading
Before you begin, ensure you have the necessary tools and components, including:
- A reliable reloading manual: This is your primary source of information and should always be consulted. Never rely solely on online data.
- Precision reloading scale: Accurate powder measurement is crucial for safety and consistency.
- Case trimmer: Maintaining consistent case length is vital for accurate and safe reloading.
- Bullet puller: For removing bullets from improperly loaded cartridges (in case of mistakes).
- Safety glasses and hearing protection: Always prioritize safety.
Varget Reloading Data for .308 Winchester (Sample Data)
Disclaimer: The following data is for illustrative purposes only. Do not use this data without consulting your own reloading manual. Always start at the minimum charge listed in your manual and work up gradually, carefully observing pressure signs.
Bullet Weight (grains) | Bullet Type | Primer Type | Varget Powder Charge (grains) | COL (inches) | Notes |
---|---|---|---|---|---|
150 | Sierra MatchKing | CCI BR-2 | 42.0 - 44.0 | 2.810 | Start low and work up |
168 | Hornady A-MAX | CCI BR-2 | 40.5 - 42.5 | 2.815 | Start low and work up |
175 | Sierra MatchKing | CCI BR-2 | 39.0 - 41.0 | 2.820 | Start low and work up |
Note: COL (Cartridge Overall Length) is crucial for proper chambering. Always check your chamber dimensions and adjust COL accordingly.
Understanding the Data Table:
- Bullet Weight: The weight of the bullet in grains.
- Bullet Type: The specific type of bullet used (e.g., Sierra MatchKing, Hornady A-MAX). Bullet type significantly impacts pressure and accuracy.
- Primer Type: The type of primer used. Primer choice can slightly affect pressure.
- Varget Powder Charge: The range of powder charges in grains. Start at the minimum charge and work up cautiously.
- COL (Cartridge Overall Length): The overall length of the loaded cartridge, measured from the base to the tip of the bullet.
- Notes: Important information related to the load, such as safety precautions.
Load Development: A Step-by-Step Process
- Start Low and Work Up: Begin at the minimum powder charge listed in your reloading manual.
- Observe for Pressure Signs: Carefully inspect each loaded round for signs of excessive pressure, including flattened primers, excessive case head expansion, or unusual sounds during firing.
- Chronograph Your Loads: A chronograph provides crucial data on velocity and consistency.
- Test for Accuracy: Fire multiple groups at various distances to assess accuracy.
- Document Your Results: Keep meticulous records of your load data and results.
Safety First!
Reloading is an inherently dangerous activity. Always prioritize safety:
- Never exceed maximum load data.
- Use only high-quality components.
- Always wear safety glasses and hearing protection.
- Work in a clean, well-ventilated area.
- Dispose of spent primers and brass properly.
This guide provides a starting point for reloading .308 Winchester with Varget powder. Remember, the information presented here is for illustrative purposes only. Always consult your reloading manuals and prioritize safety. Happy and safe reloading!