Reloading 40 Smith & Wesson: A Comprehensive Guide for the Ammunition Enthusiast
Introduction
Greetings, fellow shooters! In this comprehensive guide, we’ll delve into the intricacies of reloading 40 Smith & Wesson ammunition. Whether you’re a seasoned reloader or just getting started, we’ll cover everything you need to know to produce safe, accurate, and reliable rounds for your favorite firearms.
Section 1: Components and Equipment
Brass Selection
When choosing brass for reloading 40 Smith & Wesson, it’s essential to select high-quality cases that are free of defects and meet your firearm’s dimensional requirements. Choose brass that has been properly annealed to ensure case longevity and prevent cracking during the reloading process.
Primers
Selecting the appropriate primers is crucial for reliable ammunition ignition. Federal, CCI, and Winchester produce a range of primers specifically designed for 40 Smith & Wesson cartridges. Consider using magnum primers for loads with heavy bullets or high powder charges.
Powder Selection
Choosing the right powder is paramount for achieving optimal performance. Powders such as Hodgdon TiteGroup, IMR SR7625, and Alliant Power Pistol are well-suited for reloading 40 Smith & Wesson ammunition. Determine the appropriate powder charge based on your firearm and bullet weight.
Bullets
40 Smith & Wesson bullets come in various weights and styles, from FMJ (full metal jacket) to hollow points. Select bullets that match the intended purpose of your ammunition, be it target shooting, self-defense, or hunting.
Equipment
Reloading 40 Smith & Wesson ammunition requires the following equipment:
- Reloading press
- Dies
- Case cleaner
- Annealing machine
- Priming tool
- Powder measure
- Scale
- Case trimmer
Section 2: The Reloading Process
Step 1: Case Preparation
Start by cleaning your brass using a case cleaning solution. Trim the cases to the correct length and anneal them to reduce the risk of cracking.
Step 2: Priming
Use a priming tool to seat the primers into the primer pockets. Ensure the primers are properly seated and fully recessed into the pockets.
Step 3: Powder Charging
Carefully measure and charge the powder into the cases using a powder measure and scale. Avoid overcharging or undercharging the cases.
Step 4: Bullet Seating
Seat the bullets into the cases using a die specifically designed for your firearm. Ensure the bullets are seated to the correct depth and crimp the cases to securely hold the bullets in place.
Step 5: Final Inspection
Thoroughly inspect the reloaded ammunition to check for any defects or inconsistencies. Ensure the powder charge is consistent, the primers are properly seated, and the bullets are securely crimped.
Section 3: Advanced Reloading Techniques
Progressive Reloading
Progressive reloading allows you to automate multiple steps of the reloading process, increasing efficiency. Progressive presses, such as the Dillon XL650, enable you to perform all steps simultaneously, from case cleaning to bullet seating.
Load Development
Reloading allows you to experiment with different powder charges and bullet weights to develop custom loads that optimize accuracy and performance for your specific firearm. Start by using published load data as a baseline and gradually adjust the load until you achieve the desired results.
Case Life Extension
By properly cleaning, annealing, and sizing your brass, you can significantly extend its lifespan. This not only saves you money but also increases the consistency and accuracy of your reloads.
Markdown Table: Reloading Data for 40 Smith & Wesson
| Powder | Bullet Weight | Powder Charge | Velocity (fps) |
|---|---|---|---|
| Hodgdon TiteGroup | 155gr FMJ | 5.0gr | 1050 |
| IMR SR7625 | 165gr JHP | 5.5gr | 1100 |
| Alliant Power Pistol | 180gr FMJ | 6.0gr | 1150 |
Conclusion
Reloading 40 Smith & Wesson ammunition is a rewarding and versatile hobby that allows you to customize your ammunition to your specific needs. By following the techniques and guidelines outlined in this guide, you’ll be able to produce safe, accurate, and reliable ammunition that will enhance your shooting experience.
For further insights into reloading and other firearms-related topics, be sure to check out our other informative articles.
FAQ about Reloading 40 Smith Wesson
1. What type of powder should I use to reload 40 Smith Wesson?
Answer: Suitable powders include Hodgdon TiteGroup, Alliant Unique, and Accurate No. 7.
2. What is the maximum pressure for 40 Smith Wesson?
Answer: 35,000 psi.
3. What type of primer should I use?
Answer: Small Pistol primers are recommended.
4. What is the recommended overall cartridge length?
Answer: 1.125 – 1.135 inches.
5. What type of brass is best?
Answer: Once-fired brass from reputable manufacturers like Federal, Winchester, or Starline.
6. How much powder should I use?
Answer: Refer to a reloading manual for specific powder charges based on your bullet weight and desired velocity.
7. What is the proper seating depth for the bullet?
Answer: The bullet should be seated to the recommended overall cartridge length.
8. How can I prevent squib loads?
Answer: Ensure proper powder measurement and use a powder drop or scale for accuracy.
9. What type of crimping should I use?
Answer: A light roll crimp is recommended to secure the bullet but avoid excessive crimping.
10. How can I check the accuracy of my reloads?
Answer: Shoot your reloads at a target to verify accuracy and make any necessary adjustments to your reloading process.
