Lyman Top Punch 663

• Bullet-Nose Matched Profile: The Lyman Top Punch 663 is machined to match the bullet nose shape, helping the lube-sizer apply pressure evenly and reducing the risk of deforming cast bullets during sizing.
• Built for Lube/Sizing Work: Designed for bullet sizing and case-preparation workflows, it supports smooth operation in manual casting and sizing setups where consistent bullet handling matters.
• Steel Construction: The steel body gives the punch the rigidity needed for repeated bench use, helping maintain fit and alignment over time.
• RCBS Interchangeability: This top punch is noted as interchangeable with RCBS, which makes it easier to integrate into an existing cast-bullet loading setup without changing the whole system.
• Made in USA: Built in the USA, it suits reloaders who want a straightforward replacement or caliber-specific accessory from an established casting and reloading brand.

About the Lyman Accessories Series

The Lyman Accessories series covers the small but essential components that keep a reloading or bullet-casting bench working efficiently. Rather than focusing on one large tool, this product family supports the day-to-day tasks around case preparation, bullet sizing, casting and general loading work. These parts are intended for shooters and reloaders who need repeatable results and want the individual pieces of their setup to match the job properly.

Within the Lyman lineup, the series sits alongside the company’s presses, dies, casting tools and maintenance equipment, providing the specialized accessories that let a main tool perform correctly with a particular bullet or workflow. The design approach is practical: durable materials, straightforward fitment and compatibility with established bench equipment. In use, that means less improvisation at the loading bench and more consistent handling of components during repetitive operations. For cast-bullet shooters in particular, accessories such as top punches play an important role because they help the sizing process work with the bullet’s shape instead of against it.

About the Lyman Top Punch 663

The Lyman Top Punch 663 is a category-specific accessory for cast-bullet sizing, intended for use where the bullet nose must be supported correctly during the lube-sizing process. Its main advantage is simple but important: by matching the bullet nose profile, it helps the press bear on the bullet more evenly, which can reduce the chance of flattening, marking or otherwise distorting the nose during sizing. That matters to reloaders who want cast bullets to retain their intended shape and consistency from one piece to the next.

As a steel accessory, the Top Punch 663 is built for repeated bench use and stable contact under pressure. In practical terms, that makes it suitable for reloaders who size bullets regularly and need a part that holds up to repeated cycling. Its role is especially relevant in cast-bullet workflows, where proper alignment between bullet and punch contributes to smoother operation and more predictable results.

Lyman also identifies its top punches as interchangeable with RCBS, which adds flexibility for users running mixed-brand casting equipment. At 145.00 g, it remains a compact bench accessory, but it performs a precise task that directly affects bullet handling quality. For anyone building out a bullet-sizing setup around a specific mould or bullet profile, this model provides the correct interface between the press and the bullet nose.

About Lyman

The Lyman Gun Sight Company began in 1878 in Middlefield, Connecticut, giving the brand a long history in shooting equipment. Lyman makes equipment and accessories for shooting and reloading, with product lines that include reloading dies, presses, bullet-casting equipment, and gun sights. That broad focus is one reason the company remains closely associated with the practical side of handloading and workshop use.

Lyman Products is headquartered in Middletown, Connecticut, and its catalog reflects deep involvement in both reloading and firearm-support equipment. The company also expanded through acquisitions, including the Ideal reloading-tool business in 1925 and Pachmayr in 1996. For products such as bullet-casting and sizing accessories, Lyman’s reputation rests on long familiarity with the needs of reloaders who want purpose-built tools rather than general substitutes.

Main Features

• Manufacturer: Lyman
• Series: Lyman Accessories
• Category: Bullet Sizing
• Made in: USA
• Material: Steel
• Weight: 145.00 g
• Color: Silver
• Intended use: Case preparation
• Part number: 663
• SKU: LYM2786779

Warranty

The Lyman Top Punch 663 carries a 2-year warranty.