Let’s Talk About Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum
The Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum is a specialized reloading tool designed to optimize bullet seating and improve accuracy, particularly in firearms that may exhibit slightly looser chamber tolerances. Manufactured by Lee Precision, a company renowned for its affordable and innovative reloading equipment, this die aims to provide a precise and consistent neck tension, leading to enhanced performance and reduced bullet runout. Its purpose is not to size the entire case, but instead to undersize the case mouth.
My journey to discovering the Lee Undersize Sizing Die stemmed from a persistent issue with my vintage .38 Special revolver. Factory ammunition, and even my standard reloads, often displayed inconsistent accuracy, with some rounds keyholing at just 15 yards. It became clear that I needed a solution that could ensure a tighter bullet fit, so I began exploring options that would resize the case mouth, ensuring optimal neck tension.
The Lee Undersize Sizing Die arrived in a simple, functional package, true to Lee’s no-frills approach. Picking it up, I immediately noticed the solid construction and the smooth, polished carbide insert. The die felt substantial, inspiring confidence in its ability to withstand repeated use.
I considered the RCBS Small Base Sizing Die and the Redding Dual Ring Carbide Sizing Die before settling on the Lee product. The RCBS die was a close contender, but the Lee offered a more targeted approach to neck tension, without excessively resizing the entire case. The Redding die, while undeniably high-quality, came with a significantly higher price tag, making the Lee Undersize Sizing Die the most practical choice for my needs.
My first impression was a mix of anticipation and a touch of skepticism. I was eager to see if this seemingly simple tool could truly make a difference in my revolver’s accuracy. I hoped that this would be the solution to my accuracy issues and I was not disappointed!
Real-World Testing: Putting Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum to the Test
First Use Experience
I put the Lee Undersize Sizing Die through its paces at my local shooting range, a controlled environment perfect for evaluating reloading components. I focused primarily on testing with .38 Special rounds intended for my vintage Smith & Wesson Model 10. The range offered stable benches and consistent lighting, allowing me to carefully assess the accuracy of my reloads.
The initial resizing process was straightforward, and the Lee Undersize Sizing Die worked flawlessly with my existing Lee reloading press. The die’s polished carbide insert ensured smooth and effortless case sizing, even after extended use. There were no issues with the die even after cycling the die several hundred times.
The most noticeable change was the reduced effort required to seat the bullets. It was clear that the die had effectively reduced the case mouth diameter. This created a tighter fit, eliminating any potential for bullet wobble. This was exactly what I was looking for with the Lee Undersize Sizing Die.
Extended Use & Reliability
After several months of regular use, the Lee Undersize Sizing Die has proven to be a reliable and durable addition to my reloading setup. There are no noticeable signs of wear or damage, even after processing thousands of cases. The carbide insert remains smooth and free of scratches, maintaining consistent sizing performance.
Cleaning is simple; a quick wipe-down with a clean cloth is all that’s needed to remove any accumulated residue. The die has required no special maintenance or lubrication, a testament to its robust design and quality materials. The Lee Undersize Sizing Die has also proven to be very effective for .357 Magnum cartridges as well.
Compared to my previous reloading efforts, the Lee Undersize Sizing Die has significantly improved the consistency and accuracy of my .38 Special reloads. Group sizes at 25 yards have noticeably tightened, and I’ve completely eliminated the keyholing issues I previously encountered. This die is definitely worth the investment.
Breaking Down the Features of Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum
Specifications
The Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum is designed specifically for reloading .38 Special and .357 Magnum cartridges. It is a single die, part of the Lee reloading die system, and intended for use in a standard reloading press. The die utilizes a carbide insert for smooth and consistent case sizing.
The dimensions of the die are 1.60 x 1.70 x 4.70 inches (Height: 1.6000, Width: 1.7000, Length: 4.7000). This compact size allows it to fit comfortably in most reloading setups without taking up excessive space. The die’s weight is minimal, contributing to ease of handling and storage.
The use of a carbide insert is crucial for reducing friction and wear during the resizing process. This ensures smooth operation and extends the lifespan of the die. Unlike steel dies, the carbide insert eliminates the need for lubrication, simplifying the reloading process and preventing case sticking.
Performance & Functionality
The Lee Undersize Sizing Die excels at its primary function: reducing the case mouth diameter to provide optimal neck tension. This is crucial for achieving consistent bullet seating and preventing bullet movement during recoil. My accuracy with .38 Special has increased due to this.
The die effectively addresses the issue of oversized chambers, a common problem in older or less precisely manufactured firearms. By undersizing the case mouth, the die ensures a tighter bullet fit, resulting in improved accuracy and reduced bullet runout. This die has allowed me to shoot my older revolvers without worrying about accuracy.
The Lee Undersize Sizing Die is not a substitute for a full-length sizing die. It’s designed to be used in conjunction with a standard sizing die, focusing specifically on the case mouth area. This targeted approach minimizes case stress and extends case life.
Design & Ergonomics
The Lee Undersize Sizing Die features a simple, functional design that prioritizes ease of use and durability. The die body is made from high-quality steel. This makes it resistant to wear and corrosion. The carbide insert is precision-machined to ensure consistent sizing performance.
The die’s smooth, polished finish allows for effortless case insertion and removal. The standard 7/8″-14 threads make it compatible with virtually all reloading presses. No modifications are required for installation or use.
The die is lightweight and easy to handle, making it suitable for reloaders of all experience levels. There’s no learning curve involved; simply install the die in your press and begin resizing your cases. Lee reloading tools are well-known for being beginner-friendly.
Durability & Maintenance
The Lee Undersize Sizing Die is built to last, thanks to its high-quality materials and robust construction. The steel body and carbide insert are designed to withstand repeated use without significant wear or damage. This die is definitely going to last a long time.
Maintenance is minimal; simply wipe the die clean after each use to remove any accumulated residue. The carbide insert requires no lubrication, further simplifying the maintenance process. With proper care, the Lee Undersize Sizing Die should provide years of reliable service.
Spare parts, if ever needed, are readily available from Lee Precision and various online retailers. This ensures that you can keep your die in top condition for years to come. The Lee Undersize Sizing Die is definitely a worthwhile long-term investment.
Accessories and Customization Options
The Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum is a standalone die and does not come with any additional accessories. It’s designed to be used in conjunction with a standard reloading press and other essential reloading tools. You will need a shell holder for your reloading press for the Lee Undersize Sizing Die.
The die is compatible with all standard reloading presses that accept 7/8″-14 threaded dies. It can be used with both single-stage and progressive presses, offering versatility for reloaders with different setups. You can pair the Lee Undersize Sizing Die with other Lee reloading dies for a complete and consistent reloading system.
While the die itself offers limited customization options, you can adjust your reloading process to achieve the desired level of neck tension. This can involve experimenting with different bullet seating depths and crimp settings. It’s worth experimenting with different combinations to find the optimal load for your specific firearm.
Pros and Cons of Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum
Pros
- Significantly improves accuracy in firearms with oversized chambers.
- Provides optimal neck tension for consistent bullet seating.
- Durable carbide insert ensures smooth and long-lasting performance.
- Simple, user-friendly design requires no special tools or expertise.
- Affordable price point makes it accessible to reloaders of all budgets.
Cons
- May require experimentation to find the optimal resizing settings for specific firearms.
- Only sizes the case mouth; not a substitute for a full-length sizing die.
Who Should Buy Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum?
The Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum is perfect for reloaders who own firearms with slightly oversized chambers, particularly vintage revolvers or those known for looser tolerances. It’s also ideal for reloaders who are seeking to improve the accuracy and consistency of their .38 Special and .357 Magnum reloads. Those who want to get the most out of their ammo will find this a necessity.
This product is not necessary for reloaders who only use modern firearms with tight chamber tolerances or those who are satisfied with the accuracy of their current reloads. It is also not a suitable replacement for a full-length sizing die and should only be used in conjunction with one. You will still need a regular die, and a shell holder for each.
A must-have accessory is a high-quality bullet seating die to ensure consistent bullet seating depth. Also, a reliable powder measure and scale are essential for achieving accurate and consistent loads. Experimenting with different bullet types and powder charges can further optimize performance.
Conclusion on Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum
The Lee Undersize Sizing Die Only Carbide .38 Spl/.357 Magnum is a valuable tool for reloaders seeking to enhance the accuracy and consistency of their .38 Special and .357 Magnum ammunition. Its ability to provide optimal neck tension, combined with its durable construction and affordable price, makes it a standout product in its category. I highly recommend it.
The price of $41.49 is justified by the die’s tangible benefits in terms of improved accuracy and consistent performance. It’s an investment that pays off in the long run, especially for reloaders who value precision and reliability. The increase in performance definitely justifies the price.
I would personally recommend the Lee Undersize Sizing Die to any reloader who is looking to squeeze the most accuracy out of their .38 Special and .357 Magnum reloads. Its ease of use, durable construction, and affordable price make it a must-have addition to any reloading bench. Start reloading with more accuracy today!