Lee 90576 Lube Lube & Sizing Kit One 338 .339 Review

The Lee 90576 Lube Lube & Sizing Kit One 338 .339: Precision for the Reloading Bench

For those of us who spend countless hours meticulously crafting ammunition, the pursuit of consistent, high-performance rounds is a never-ending journey. My own journey, spanning over a decade across diverse environments from the dusty workshop to the precise confines of a lab, has taught me the invaluable lesson that even the smallest component can make a significant difference. It was this commitment to excellence, coupled with a specific need to fine-tune my .338 caliber projectiles, that led me to the Lee 90576 Lube Lube & Sizing Kit One 338 .339.

Recently, I found myself wrestling with minor inconsistencies in the diameter of a batch of cast lead bullets intended for a .338 caliber rifle. The .339 diameter specification is quite precise, and hand-swaging was proving too time-consuming and prone to error for the volume I needed to process. I needed a reliable, straightforward solution to ensure uniformity. While I considered a more elaborate, multi-stage resizing system, my experience with Lee products, known for their effective and no-nonsense approach to reloading tools, pointed me towards their dedicated sizing kits.

Upon opening the package, my initial impression was one of practical utility. The kit is not flashy; it’s a collection of precisely machined components designed for a single, critical purpose. The steel sizer felt solid and substantial, promising durability for repeated use. The inclusion of the lock ring and punch suggested a well-thought-out system for maintaining precise settings. My first reaction was a quiet sense of anticipation, a familiar feeling when a tool arrives that seems purpose-built to solve a specific problem.

First Use Experience

My initial testing of the Lee 90576 Lube Lube & Sizing Kit One 338 .339 took place on my reloading bench, a space that has seen its fair share of metal shavings, spent primers, and the distinct aroma of case resizing lubricant. I carefully followed the included instructions, ensuring the sizer was properly seated and locked into my press. The process of feeding cast bullets through the .339 die was remarkably smooth, with each projectile emerging with a uniform diameter, ready for the next stage of the reloading process.

The kit’s design lent itself to repeated use without significant effort. After processing about fifty bullets, I noticed no discernible wear or performance degradation. The O-ring provided a snug seal, preventing any unintended movement of the die once locked. There were no surprises or quirks; it simply performed its intended function with quiet efficiency.

Extended Use & Reliability

Over the past few months, this lube and sizing kit has become a regular fixture on my bench, particularly when I’m working with .338 caliber lead projectiles. I’ve used it to process hundreds of bullets, often in batches of fifty to one hundred at a time. Despite this consistent use, the steel sizer shows no signs of wear, and the lock ring maintains its grip without slipping.

Maintenance has been straightforward; a quick wipe down with a dry cloth after use and an occasional application of light oil is all that’s needed to keep it in prime condition. Compared to some generic sizing dies I’ve used in the past, which could sometimes gall or require extensive break-in, this Lee kit felt ready to go from the start. It has held up exceptionally well, proving its reliability for consistent bullet sizing.

Breaking Down the Features of Lee 90576 Lube Lube & Sizing Kit One 338 .339

Specifications

The Lee 90576 Lube Lube & Sizing Kit One 338 .339 is a dedicated reloading tool designed for precise bullet sizing. Its core component is a steel bullet sizer engineered to a diameter of .339 inches, ensuring that cast lead bullets are brought to a consistent and accurate dimension. This kit includes a crucial lock ring, which secures the sizer die firmly in place, preventing any potential slippage during the resizing process. Instructions and an O-ring are also provided, contributing to ease of setup and use.

The sizer itself is manufactured from robust steel, a material chosen for its durability and resistance to wear, which is essential for a tool that exerts significant pressure on metal projectiles. The .339 sizing diameter is specific and critical for achieving optimal fit in .338 caliber firearms, especially for cast bullets where slight variations can impact accuracy and feeding. The 7/8×14 thread pitch is a standard for most reloading presses, ensuring broad compatibility.

Performance & Functionality

In terms of its primary function, the Lee 90576 Lube Lube & Sizing Kit One 338 .339 performs exceptionally well. It consistently sizes cast bullets to the specified .339 inch diameter, which is vital for achieving predictable ballistic performance. The uniformity it imparts reduces flyers caused by oversized or undersized projectiles.

The main strength of this kit lies in its straightforward effectiveness; it does exactly what it’s designed to do without unnecessary complexity. Its primary limitation, if one can call it that, is that it is a single-purpose tool; it sizes bullets but does not lubricate them in the same operation, requiring a separate lubing step or a separate lube-sizing die. However, for those specifically looking for a precise sizing die to pair with their existing lubing methods or a separate lubrication step, this is a significant asset. It meets and slightly exceeds expectations for its specific task.

Design & Ergonomics

The design of this sizing kit is purely functional, prioritizing accuracy and durability over aesthetics. The steel bullet sizer is precisely machined, with a smooth interior finish that minimizes friction and wear on the bullets being processed. The inclusion of a lock ring is a thoughtful touch, providing a secure method for setting and maintaining the sizer’s depth in the press, which is crucial for consistent sizing.

Ergonomically, the unit is designed to be used in conjunction with a standard reloading press. While not something you hold in your hand for extended periods, its design ensures it is easy to install and adjust. The markings on the lock ring, though subtle, are clear enough for making precise adjustments. The overall feel is one of solid, dependable craftsmanship, typical of Lee reloading equipment.

Durability & Maintenance

The durability of the Lee 90576 Lube Lube & Sizing Kit One 338 .339 is impressive, owing to its all-steel construction. I anticipate it will last for many thousands of bullet sizings with minimal wear. The potential failure points are few; the threads on the sizer or lock ring could theoretically be damaged if cross-threaded, but with proper care, this is unlikely.

Maintenance is minimal. A simple cleaning after each session with a soft brush and a light application of a lubricant like Lee‘s own sizing lube or a quality gun oil is sufficient to prevent rust and ensure smooth operation. There are no complex parts to disassemble or service, making it a low-maintenance tool that fits seamlessly into a reloading routine.

Accessories and Customization Options

The Lee 90576 Lube Lube & Sizing Kit One 338 .339 comes with the essential components for its intended use: the .339 sizer die, a lock ring, a sizer punch, an O-ring, and instructions. It does not include lubricant, which must be purchased separately if you plan to size and lube in one operation (though this kit is primarily for sizing, often followed by a separate lubing step).

The primary customization option is, of course, the bullet lubricant you choose to use with it. While Lee offers its own range of sizing lubes, other brands compatible with cast bullet reloading can also be employed. The kit’s design inherently integrates with standard reloading presses, making it compatible with a wide array of press models that accept 7/8×14 dies. There are no additional accessories typically offered or needed for the core function of this specific sizing kit.

Pros and Cons of Lee 90576 Lube Lube & Sizing Kit One 338 .339

Who Should Buy Lee 90576 Lube Lube & Sizing Kit One 338 .339?

This Lee kit is an indispensable tool for handloaders and reloaders who specialize in casting and sizing .338 caliber bullets. It’s ideal for those who prioritize consistency in their ammunition, particularly for rifles chambered in calibers like .338 Lapua Magnum or similar, where precise bullet diameter is critical. If you are already using a separate lubing system or plan to lube your cast bullets in a subsequent step, this sizing die will integrate perfectly into your workflow.

Individuals who should consider alternatives are those looking for an all-in-one lube-and-size operation within a single die, or those who need to size bullets for a wide variety of calibers. For users who exclusively shoot jacketed bullets, this cast bullet sizing kit would not be applicable. A must-have accessory would be a good quality bullet lubricant, such as Lee‘s own sizing lube, and potentially a bullet feeder for increased efficiency during high-volume resizing.

Conclusion on Lee 90576 Lube Lube & Sizing Kit One 338 .339

The Lee 90576 Lube Lube & Sizing Kit One 338 .339 stands as a testament to Lee Precision’s commitment to providing effective, reliable, and affordably priced reloading equipment. For anyone serious about casting and loading for .338 caliber firearms, this kit offers exceptional value by delivering precisely sized bullets essential for optimal accuracy and performance. Its durable construction ensures it will be a staple on the reloading bench for years to come.

Considering its precise functionality, robust build quality, and accessible price point, this sizing kit is an easy recommendation. If you’re a dedicated cast bullet reloader working with .338 caliber projectiles and value consistency above all else, this Lee product will undoubtedly meet, and likely exceed, your expectations. It’s a focused, high-performance tool that tackles a critical step in the reloading process with quiet confidence.