Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 Review

True Results from the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156

For over a decade, I’ve been immersed in the world of outdoor and tactical gear, from the unforgiving wilderness to the precise demands of competitive shooting. My workbench, and indeed my life, is a testament to the relentless pursuit of equipment that performs when it counts. It was this drive that led me to the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156. For anyone deeply invested in handloading for their .38 Special and .357 Magnum firearms, this mould represents a significant piece of the puzzle, promising consistency and quality in every cast bullet.

The itch to cast my own bullets for my beloved revolvers had been growing for years. While factory ammunition is convenient, the cost adds up, and the ability to tailor loads to specific firearms and shooting disciplines is an unmatched advantage. I needed a mould that offered versatility, accuracy, and the renowned quality I’ve come to expect from Lyman. After poring over specifications and comparing designs, the #358156, with its dual crimp grooves and carefully considered weight, stood out as the ideal candidate. It promised to deliver a bullet optimized for both the shorter .38 Special and the more potent .357 Magnum, a rare but highly desirable trait.

Upon receiving the mould from OpticsPlanet, my initial impression was one of solid craftsmanship. The mould itself felt substantial, a reassuring weight in the hand that spoke of quality materials and precision machining. The handles, sold separately but essential, were equally robust, providing a comfortable and secure grip. There was no immediate sense of cheapness or flimsy construction; rather, a feeling of confidence that this tool was built to last and perform.

My decision to select the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 over other options was driven by a few key factors. While other manufacturers offer excellent moulds, Lyman has a long-standing reputation for producing reliable and accurate bullet moulds that are a staple in many handloaders’ arsenals. The specific design of the #358156, a 155-grain semi-wadcutter with its distinct dual crimp grooves, was particularly appealing. This meant I wouldn’t need separate moulds for my .38 Special loads versus my .357 Magnum loads, offering both convenience and cost savings. The thought of having a single mould capable of producing excellent bullets for both cartridges was a significant draw.

My first glance at the mould instilled a sense of eager anticipation. The clean lines, the well-defined cavities, and the overall heft suggested that this wasn’t just another piece of reloading equipment; it was an investment in the future of my shooting endeavors. I felt a surge of excitement, eager to get it to my casting pot and see if it lived up to the reputation of its maker and the promise of its design.

Real-World Testing: Putting Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 to the Test

First Use Experience

My maiden casting session with the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 took place in my home workshop, a controlled environment I’ve honed over years of reloading. The mould heated up evenly, and the molten lead flowed smoothly into the cavities. The initial sprue cut was clean, and the resulting bullets emerged with sharp detail. I was particularly pleased to see the distinct separation of the two crimp grooves, a testament to the precise machining of the mould.

During this initial session, I focused on understanding the mould’s behavior. I paid close attention to temperature stability and the ease with which the sprue could be cut. The mould performed admirably, maintaining consistent temperatures and producing consistently shaped bullets. There were no significant issues, and the process felt familiar and rewarding, confirming that this mould was a welcome addition to my casting setup.

The transition from my existing moulds to this new Lyman design was surprisingly seamless. I’ve used various moulds from different manufacturers, and while each has its quirks, the #358156 felt intuitive. Its weight and balance made it easy to handle, and the cavity design facilitated good fill without excessive lead spillage. This immediate ease of use was a significant positive, minimizing any initial frustration and allowing me to focus on the quality of the cast bullets.

After that first session, my excitement only grew. The cast bullets looked fantastic, far superior to some of the older moulds I’ve used that sometimes left minor imperfections. I was genuinely impressed with the crispness of the design details, especially the dual crimp grooves, which looked perfectly formed. This initial experience set a very high bar for what I expected from this mould in subsequent uses.

Extended Use & Reliability

Months of regular casting have passed since that first session, and the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 has proven its mettle. I’ve cast hundreds, if not thousands, of bullets with it, using it for everything from plinking loads in my .38 Special to full-power magnum rounds. It has consistently produced excellent bullets, load after load, without any discernible drop in quality or performance.

The durability of this mould is remarkable. Despite repeated heating and cooling cycles, and the occasional bump or scrape that can happen in a busy workshop, the mould cavities remain pristine. There are no signs of galling, pitting, or excessive wear, which is a testament to the quality of the Lyman casting iron and their machining processes. It feels as precise and capable today as it did on day one.

Maintenance of this Lyman mould is straightforward. A quick clean with a brass brush after each casting session, followed by a light application of mould release or a suitable lubricant, keeps it in top condition. I’ve never had to perform any deep cleaning or specialized maintenance. This ease of care is crucial for a handloader who wants to spend more time shooting and less time tinkering with their equipment.

Comparing this mould to my previous experiences, the #358156 stands out for its consistent performance and the quality of the bullets it produces. It has allowed me to achieve greater accuracy and reliability in my handloads than I previously thought possible with a single mould design. It truly excels at its intended purpose, making it a cornerstone of my reloading bench.

Breaking Down the Features of Lyman Pistol Bullet Mould: 38/357 Caliber – #358156

Specifications

The Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 is a double-cavity or four-cavity mould, designed to cast bullets for .38 Special and .357 Magnum firearms. It specifically produces a 155-grain semi-wadcutter (SWC) bullet design, renowned for its cutting ability and clean feeding characteristics. The mould features a top punch labeled #429, which is crucial for seating and aligning the bullet correctly during the casting process. It requires compatible double cavity handles or four cavity handles, depending on the configuration purchased, ensuring a secure grip and proper mould closure.

The Sizing Die compatibility spans a range of .357, .358, .359, and .360 inches, offering significant flexibility for handloaders. This range allows for precise sizing to match various firearm chambers and desired performance characteristics. The two crimp grooves are a standout feature, meticulously designed: the first is optimized for the .357 Magnum cartridge, providing a secure hold for higher pressure loads, while the second is tailored for the .38 Special, ensuring proper crimping for that cartridge’s specifications. This dual-groove design is a hallmark of Ray Thompson’s thoughtful engineering, making the mould incredibly versatile.

Performance & Functionality

The Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 excels in its primary function: producing high-quality, consistent cast bullets. The 155-grain weight strikes an excellent balance for both .38 Special and .357 Magnum applications, offering manageable recoil in the former and solid ballistic performance in the latter. The semi-wadcutter (SWC) nose profile is a significant advantage for paper targets, creating clean-edged holes that make scoring easier and more precise. When fed into the chamber, this nose shape also tends to feed smoothly in many revolvers.

A major strength lies in its dual crimp grooves. This feature directly translates to enhanced reliability and safety across different cartridges. For .357 Magnum loads, the upper groove ensures a robust crimp that prevents bullet jump under heavy recoil. Conversely, the lower groove provides an appropriate crimp for .38 Special, avoiding excessive pressure on the bullet base and ensuring proper chambering. The precision machining of the cavities ensures that each bullet cast is nearly identical, which is paramount for consistent accuracy.

However, the performance is inherently tied to the caster’s skill and equipment. Achieving optimal results requires careful temperature control of both the lead alloy and the mould, as well as a consistent pouring technique. While the mould itself is designed for excellent performance, user error can lead to less-than-ideal results. For instance, an improperly sized bullet, even if cast from this superior mould, will not perform to its full potential.

Design & Ergonomics

The design of the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 is a perfect marriage of form and function, built around the robust nature of casting iron. The weight of the mould itself is substantial, around 3-4 pounds depending on whether it’s a double or four-cavity version, which is ideal for heat retention. This mass is crucial for maintaining a consistent casting temperature, which in turn leads to uniform bullet formation. The handles, typically a separate purchase like the #391789 Double Cavity Handles or #391790 Four Cavity Handles, are designed for comfort and durability, with heat-resistant grips that protect the caster’s hands.

The ergonomic considerations are evident in the mould’s balance and the design of the sprue plate. The sprue plate operates smoothly, allowing for a clean and efficient cut after each pour. The alignment pins on the mould blocks are precise, ensuring perfect closure and preventing any lead leakage. This attention to detail minimizes wasted lead and ensures that the bullets cast are well-formed and dimensionally accurate from the start.

The Ray Thompson design is a masterclass in bullet mould engineering for this caliber. The shape of the ogive, the placement of the crimp grooves, and the meplat (the flat or rounded tip of the bullet) are all optimized for the .38/.357 platform. This thoughtful design contributes significantly to the mould’s overall user-friendliness and the quality of the resulting ammunition. There is minimal learning curve for experienced casters; for newcomers, the inherent quality of the mould itself can help in developing good casting practices.

Durability & Maintenance

The Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 is constructed from high-quality casting iron, a material renowned for its durability and excellent heat-holding properties. This robust construction means that the mould can withstand years of rigorous use without significant degradation. The precision-machined cavities will maintain their integrity and dimensions over countless casting sessions, a vital characteristic for any reloading tool.

Maintenance is refreshingly simple, contributing to its long-term usability. After each casting session, a light cleaning with a soft brass brush to remove any residual lead or flux is usually sufficient. A very thin coating of Lyman’s Black Powder Formula or a similar mould lubricant can be applied to the cavities to prevent oxidation and ensure smooth lead flow for the next session. This minimal maintenance routine ensures the mould remains in optimal condition without demanding excessive time or specialized tools.

The longevity of this mould is one of its most compelling features. Unlike some lower-quality alternatives, this Lyman mould is an investment that will continue to provide high-quality cast bullets for decades, provided it is reasonably cared for. Its resistance to wear and tear makes it a reliable workhorse for any handloader who values consistency and longevity in their equipment.

Accessories and Customization Options

While the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 is a complete unit in itself, it does require specific accessories to function. The most critical of these are the mould handles, which are sold separately. As noted, you will need either the Lyman Double Cavity Handles or the Lyman Four Cavity Handles, depending on the version of the mould you acquire. These handles are designed with heat-resistant grips and a robust mechanism to ensure a secure grip and proper alignment of the mould halves during casting.

Beyond the essential handles, the mould’s primary “customization” comes in the form of the lead alloy you choose and the subsequent sizing diameter. Lyman offers a range of their own lead alloys, but handloaders often experiment with custom blends to achieve specific hardness levels. The flexibility in sizing to .357, .358, .359, or .360 inches allows for fine-tuning bullet fit for various firearms, effectively customizing the bullet’s performance. While the mould itself is fixed in its design, the handloader has considerable latitude in how the cast bullets are finished and utilized.

The mould is also designed to work seamlessly with Lyman’s Top Punches, specifically the #429 in this instance, which is integral to the casting process. Compatibility with standard casting pots, thermometers, and pouring ladles from various manufacturers is also a given, as these are universal reloading tools. The focus here is on the mould’s inherent design rather than external modifications, ensuring a straightforward and predictable casting experience.

Pros and Cons of Lyman Pistol Bullet Mould: 38/357 Caliber – #358156

Who Should Buy Lyman Pistol Bullet Mould: 38/357 Caliber – #358156?

This mould is perfect for dedicated handloaders who shoot .38 Special and .357 Magnum revolvers regularly. It is an exceptional choice for target shooters who appreciate the clean-cut holes produced by the semi-wadcutter design, making scorekeeping easier and more precise. Competitive shooters in disciplines that utilize these calibers will benefit from the consistency and accuracy this mould provides. Furthermore, revoler enthusiasts looking to reduce ammunition costs and gain granular control over their loads will find this mould invaluable.

Anyone new to casting bullets might find the initial learning curve of lead alloy management and temperature control challenging, although the mould itself is well-designed. Those seeking a very heavy bullet for extreme range or hunting applications might need to look at different mould designs that offer higher grain weights. This mould is also less ideal for those who primarily shoot semi-automatic pistols in these calibers, as the SWC profile can sometimes present feeding challenges in certain semi-auto designs.

For those who decide to invest in this mould, ensuring you have the correct Lyman Double Cavity Handles or Four Cavity Handles is a must. Additionally, having a reliable lead alloy, a good casting pot, and accurate thermometer will significantly enhance the casting experience and the quality of the final bullets.

Conclusion on Lyman Pistol Bullet Mould: 38/357 Caliber – #358156

The Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 is a stellar example of Lyman’s commitment to quality and practical design in reloading tools. Its ability to consistently produce accurate, well-formed 155-grain semi-wadcutter bullets with versatile dual crimp grooves makes it an indispensable asset for any serious handloader of .38 Special and .357 Magnum ammunition. The robust construction guarantees a lifetime of service, provided it’s paired with a skilled hand and a well-equipped casting setup.

At a price point that reflects its quality and dual-cartridge capability, the value proposition is exceptionally strong. Considering the cost savings of handloading and the enhanced performance achievable with custom-cast bullets, the initial investment in this mould and the necessary handles is quickly recouped. It represents not just a tool, but a pathway to superior ammunition tailored precisely to your firearms and shooting needs.

I wholeheartedly recommend the Lyman Pistol Bullet Mould: 38/357 Caliber – #358156 to any experienced handloader or dedicated revolver enthusiast looking to elevate their shooting experience. It’s a testament to classic design and enduring quality that will serve you faithfully for years to come. If you’re serious about achieving the best from your .38 Special and .357 Magnum firearms, this mould is an essential addition to your reloading bench.