Elevating Your 7.62x39mm Performance: The Precision of the Lee 90701 Collet 2-Die Set

For serious shooters, competitive marksmen, and dedicated hunters, the pursuit of ultimate accuracy and consistency is an ongoing journey. One of the most impactful ways to achieve this is through handloading, the art and science of assembling your own ammunition. This meticulous process not only offers significant cost savings over factory ammunition but, more importantly, provides unparalleled control over critical variables, leading to superior ballistic performance tailored to your specific firearm. Among the essential tools for any reloader, the die set stands paramount. For those aiming to maximize the potential of their 7.62x39mm rifles, particularly bolt-action or single-shot firearms, the Lee 90701 Collet 2-Die Set presents an exceptional solution designed to deliver precision and extend the life of your valuable brass.

Why Reload Your Own 7.62x39mm Ammunition?

The 7.62x39mm cartridge is widely recognized for its versatility and widespread use, ranging from sporting applications to target practice. While factory ammunition is readily available, it often comes with compromises in consistency and specific bullet/powder combinations that might not unlock your rifle's true accuracy potential. Handloading addresses these limitations by empowering you to:

• Tailor Loads for Optimal Accuracy: Experiment with different powders, primers, and bullets to find the "sweet spot" that produces the tightest groups from your individual rifle. This customization is a cornerstone for competitive shooting and long-range precision.
• Reduce Shooting Costs: Components are generally less expensive than complete factory rounds, leading to substantial savings over time, especially for high-volume shooters. This allows you to practice more without breaking the bank.
• Control Component Quality: Select premium components to ensure uniformity and reliability that mass-produced factory loads may not offer. This can lead to greater confidence in your ammunition's performance.
• Extend Brass Case Life: Proper sizing techniques, like those offered by the Lee Collet Die, can significantly reduce wear and tear on your brass, allowing for more reloads per case. This means less frequent purchasing of new brass and more time shooting.
• Customize for Specific Uses: Develop loads optimized for hunting (e.g., specific bullet types for enhanced terminal performance on game) or competition (e.g., lower recoil, specific velocity for a given range).

Understanding Die Sets: The Heart of the Reloading Press

Reloading dies are precision-machined tools that perform various critical functions in the ammunition assembly process, typically mounted in a reloading press. A standard die set usually includes dies for resizing the case, seating the bullet, and sometimes a separate die for crimping. The Lee 90701 Collet 2-Die Set for 7.62x39mm focuses on two core, highly effective operations to deliver maximum precision and brass longevity, setting it apart from conventional full-length resizing die sets.

Introducing the Lee Collet Die System: Precision Without Lubrication

The Lee 90701 Collet 2-Die Set stands out due to its innovative Collet Neck Sizing Die. Unlike traditional full-length sizing dies that resize the entire case body and neck, collet dies only size the case neck. This specific approach offers several distinct advantages, particularly beneficial for those seeking to enhance accuracy and extend the lifespan of their valuable brass cases. It’s an ideal solution for shooters who prioritize consistency and want to minimize stress on their components.

What are the key benefits of using a Lee Collet Neck Sizing Die for your 7.62x39mm cartridges?

1. Eliminates Case Lubrication: One of the most tedious, messy, and time-consuming aspects of traditional full-length resizing is the absolute necessity to lubricate cases to prevent them from sticking inside the die. The ingenious design of the Lee Collet Die completely eliminates this requirement. The collet fingers, driven by the upward stroke of the press ram, compress the case neck against a precision-ground mandrel, making lubrication unnecessary. This significantly streamlines the resizing step, keeping your hands and workspace cleaner, and ultimately speeding up your entire reloading process.
2. Achieves Uniform Neck Tension: Achieving consistent neck tension – the precise amount of grip the case neck has on the bullet – is paramount for accuracy. Variations in neck tension can lead to inconsistent bullet pull and, consequently, variations in muzzle velocity and point of impact. The collet die provides an incredibly uniform and concentric squeeze around the bullet. This unique action, compressing the neck against a mandrel, leads to minimal bullet runout, ensuring that the bullet is perfectly aligned with the bore. This translates directly to more consistent bullet release upon firing, contributing to tighter groups downrange and enhanced ballistic predictability.
3. Extends Brass Case Life Significantly: Full-length resizing works the brass significantly, constantly resizing the entire case body and stretching it slightly to fit the die. This continuous stress leads to "work hardening" of the brass, and eventual fatigue or cracking, particularly at the case head or neck. By only sizing the neck, the Lee Collet Die minimizes this work. The case body retains its fire-formed dimensions, reducing the stress on the brass and drastically extending the number of times a case can be reloaded before it fatigues and becomes unusable. This not only saves money on component costs but also reduces the time spent preparing new brass.
4. Preserves Case Body Dimensions for a "Custom Fit": Since the case body is not resized, it retains the fire-formed dimensions of your rifle's specific chamber. This "custom fit" further enhances accuracy, as the cartridge naturally aligns better within the chamber, reducing variations from shot to shot. This characteristic makes collet dies an excellent choice for bolt-action rifles, single-shot rifles, or any firearm where ammunition is fed directly into the chamber and full-length resizing is not strictly necessary for reliable feeding and extraction.

Components of the Lee 90701 Collet 2-Die Set for 7.62x39mm

This specialized die set includes two essential dies engineered for optimal performance with 7.62x39mm rifle cartridges:

• Lee Collet Neck Sizing Die: This is the core of the system and the innovation that sets this die set apart. It features a collet that grips the case neck and compresses it against a precision-ground mandrel. As the press ram rises, the mandrel enters the case neck, and the collet jaws close around it, precisely sizing the neck to hold the bullet firmly. Simultaneously, a decapping pin effortlessly removes the spent primer from the case. The unique action ensures perfectly concentric bullet seating later, which is a critical factor for precision.
• Lee Bullet Seating Die with Built-in Crimp: This versatile die is responsible for seating the bullet to the correct overall length (OAL) and, if desired, applying a precise crimp. Because the collet die ensures that the case neck is consistently sized and concentric, the bullet seating process becomes more uniform and repeatable. The built-in crimp feature helps secure the bullet, which can be beneficial for cartridges used in certain rifle actions or those subjected to heavy recoil, though a light, uniform crimp is generally preferred for rifle rounds to maintain accuracy and avoid bullet deformation. The design allows for easy and independent adjustment of seating depth and crimp amount.

Is the Lee Collet Die Set the Right Choice for Your 7.62x39mm Reloading Needs?

This die set is particularly well-suited for reloaders who prioritize:

• Maximum Accuracy: The uniform neck tension and minimal bullet runout directly contribute to tighter groups on target. Many precision shooters and competitive marksmen consistently choose neck sizing for their most accurate and reliable loads.
• Extended Brass Life: If you have invested in quality 7.62x39mm brass and want to get as many safe reloads as possible from each case, the collet die is an invaluable tool for prolonging brass longevity.
• Simpler and Cleaner Process: The complete elimination of case lubrication streamlines the resizing step, making the overall reloading process significantly cleaner, faster, and more enjoyable.
• Bolt-Action and Single-Shot Rifles: These firearms generally do not require the case body to be resized for reliable feeding and extraction, making them ideal candidates for neck sizing. For semi-automatic rifles, where reliable feeding is paramount, full-length sizing might traditionally be preferred, but careful testing with neck-sized brass can sometimes yield acceptable results if the rifle's chamber tolerances are tight.

How to Achieve Optimal Results with Your Lee 90701 Collet 2-Die Set

While the Lee Collet Die simplifies many aspects of reloading, achieving the best results still requires careful attention to detail and adherence to safe reloading practices:

1. Thorough Case Preparation: Even without lubrication, cases should always be clean and inspected. After firing, cases should be checked for length using a case gauge and trimmed if necessary to maintain consistent overall length. This is especially crucial for uniform neck tension and crimp application. Deburring and chamfering the case mouth after trimming is also vital for smooth, unscratched bullet seating and to prevent damage to the bullet or case.
2. Mandrel Selection: The Lee Collet Die comes with a standard mandrel designed for general use. For extremely precise applications or if you wish to experiment with different levels of neck tension, Lee offers various mandrels (often sold separately) that allow you to achieve specific internal neck diameters, finely tuning your loads.
3. Precise Powder Charging: Accurate and consistent powder charges are absolutely fundamental to both safety and accuracy. Pair your die set with a reliable powder measure, like the Lee Perfect Powder Measure, and always verify charges periodically with a precise reloading scale.
4. Consistent Primer Seating: Ensure primers are seated firmly, squarely, and consistently into the primer pocket, either on your reloading press or with a dedicated priming tool. Improper primer seating can lead to misfires or inconsistent ignition.
5. Judicious Bullet Selection: Choose quality bullets that are appropriate for your intended use (e.g., specific projectile weights and designs for hunting or target shooting in 7.62x39mm). The bullet choice profoundly impacts accuracy and terminal performance.
6. Optimal Overall Length (OAL) Determination: Carefully determine the optimal overall length for your specific rifle and bullet combination. This often involves seating bullets at various depths and testing for accuracy, ensuring the cartridge feeds reliably from your magazine and does not contact the rifling when chambered.

The Lee Precision Legacy: A Brand You Can Trust

Lee Precision has been a cornerstone of the reloading community for decades, renowned for its innovative designs, robust manufacturing, and unwavering commitment to providing high-quality, affordable reloading equipment. The Lee 90701 Collet 2-Die Set for 7.62x39mm is a testament to this legacy, embodying the company's philosophy of delivering effective tools that empower reloaders to achieve exceptional results. Their dedication to user-friendly design, precision engineering, and incredible value has made Lee products a favorite among both novice and experienced handloaders worldwide. When you choose Lee, you're investing in reliability, performance, and a proven track record within the reloading industry.

Why DEGuns is Your Go-To Source for Lee Reloading Equipment

When acquiring essential reloading tools like the Lee 90701 Collet 2-Die Set, it's crucial to choose a reputable supplier that understands the needs of reloaders. DEGuns stands as a premier destination for all your reloading needs. At DEGuns, you'll find an extensive selection of Lee Precision products, including this specialized 7.62x39mm die set, alongside a full range of presses, scales, powder measures, and a comprehensive array of components. DEGuns is committed to providing excellent customer service, competitive pricing, and a vast inventory, ensuring you have access to the tools and supplies necessary for a safe and successful reloading journey. Their expertise and dedication to the shooting sports community make them an ideal partner for handloaders seeking quality, reliability, and value.

Beyond the Dies: Completing Your 7.62x39mm Reloading Setup

While the Lee 90701 Collet 2-Die Set is a critical component for precision 7.62x39mm reloading, a complete setup typically involves several other essential tools, many of which are also available from Lee Precision:

• Reloading Press: A sturdy and reliable press is the foundation of any reloading operation. Lee offers various options to suit different needs and budgets, from the economical Challenger Breech Lock Single Stage Press, known for its robust cast iron frame and precision, to the versatile Lee Classic Turret Press, which can significantly speed up your reloading process while maintaining excellent quality. For high-volume production, the Lee Load-Master progressive press offers unparalleled efficiency.
• Shell Holders: Specific to the 7.62x39mm case, a shell holder securely grips the case during various operations on the press.
• Powder Measure: For precise and consistent powder charges, a quality powder measure is indispensable. The Lee Perfect Powder Measure is a popular, accurate, and cost-effective choice trusted by countless reloaders.
• Reloading Scale: Absolutely vital for weighing powder charges to ensure both safety and consistency in your ammunition. Both digital and beam scales are available to meet your precision requirements.
• Case Trimmer: To maintain uniform case length after firing and resizing, a case trimmer is necessary. Lee offers simple, effective trimmers like the Lee Case Length Gauge and Cutter, designed for ease of use and accuracy.
• Chamfer/Deburring Tool: To properly prepare the case mouth after trimming, preventing damage to bullets during seating and ensuring smooth, consistent seating.
• Reloading Manual: A comprehensive guide, such as those from Lee Precision or other reputable sources, is an indispensable resource for safe and effective reloading practices, providing crucial load data and step-by-step instructions for specific calibers and components.

Investing in quality reloading equipment like the Lee 90701 Collet 2-Die Set for 7.62x39mm is an investment in your shooting performance and enjoyment. It empowers you to craft ammunition that is not only cost-effective but also precisely tuned to your firearm, delivering unparalleled accuracy and consistency on the range or in the field, shot after shot.

---

Product Specifications: Lee 90701 Collet 2-Die Set 7.62x39mm

Feature	Detail
Product Type	Reloading Die Set
Brand	Lee Precision
Model	Collet 2-Die Set
Caliber	7.62x39mm
Die Count	2 Dies
Included Dies	Collet Neck Sizing Die, Bullet Seating Die with Crimp
Key Advantage	No case lubrication required for sizing, extends brass life
UPC	734307907015
Availability	Exclusively at DEGuns