Lyman Top Punch 402

• Bullet-Nose Fit: The Lyman Top Punch 402 is machined to match the bullet nose profile, 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 consistent bullet handling when used with compatible Lyman lube and sizing equipment.
• Steel Construction: The steel body stands up to repeated bench use and maintains its shape under pressure, which matters when loading in volume.
• Made in USA: Made in USA construction suits reloaders who want established Lyman tooling for casting and sizing setups.
• RCBS Interchangeability: This top punch is interchangeable with RCBS units, giving added flexibility for reloaders who use mixed-brand bullet-casting equipment.

About the Lyman Accessories Series

The Lyman Accessories series covers the small but essential tools that keep a reloading or bullet-casting bench working smoothly. Rather than focusing on one machine alone, the series supports the practical steps around loading, casting, case care and bullet finishing, with parts designed to integrate into established Lyman workflows. In the bullet-casting segment, that means purpose-built accessories for lube-sizers, moulds and related bench equipment, where correct fit matters as much as the main press or sizing tool itself.

Within the range, the emphasis is on functional steel components, straightforward compatibility and repeatable handling. These are the parts reloaders use to adapt equipment to a specific bullet profile or task, so the design philosophy is simple: proper mechanical fit, dependable materials and easy integration with common bench setups. For cast-bullet shooters, that approach is especially important because small tooling differences can affect bullet shape, consistency and the smoothness of the sizing process. The series therefore suits reloaders who value durable workshop accessories rather than unnecessary complexity.

About the Lyman Top Punch 402

The Lyman Top Punch 402 is a dedicated bullet sizing accessory made for use in cast-bullet lube and sizing operations. Its job is straightforward but important: it contacts the bullet nose during the sizing stroke, so the shape of the punch needs to match the bullet correctly. When that fit is right, pressure is distributed more evenly and the bullet is less likely to suffer nose damage while being sized and lubricated. For reloaders working with cast bullets, that helps preserve bullet form and supports more uniform finished ammunition.

This model is part of Lyman’s numbered top-punch system, allowing the reloader to select the punch that corresponds to a particular bullet design. In practice, that makes the Top Punch 402 useful for bench setups where repeatability matters more than improvisation. Its steel construction is appropriate for repeated press use, and the compact format keeps it easy to swap as bullet styles change. Lyman also notes that these top punches are interchangeable with RCBS, which adds flexibility for reloaders using compatible mixed-brand casting equipment. At 145.00 g, it remains a simple, durable workshop component intended to do one job correctly: support cast bullets during sizing without unnecessary deformation.

About Lyman

The Lyman Gun Sight Company began in 1878 in Middlefield, Connecticut, and the brand has long been associated with practical equipment for shooters and reloaders. 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 helps explain why the company remains well known among handloaders who want bench tools and supporting accessories from the same maker.

In reloading, Lyman’s range extends from major tools to the smaller components that keep a setup working properly. Lyman acquired the Ideal reloading-tool business in 1925, strengthening its place in the handloading category, and Lyman Products is headquartered in Middletown, Connecticut. The company’s long involvement in casting and reloading equipment makes accessories such as top punches a natural part of its catalog.

Main Features

• Manufacturer: Lyman
• Series: Lyman Accessories
• Category: Bullet Sizing
• Made in: USA
• Material: Steel
• Weight: 145.00 g
• Color: Silver
• Application: Case preparation
• Model / Part No.: 402 / 2786723
• Compatibility: Interchangeable with RCBS

Warranty

Lyman provides a 2-year warranty for this product. That stated warranty period suits a bench accessory intended for regular reloading and bullet-casting use.