Lyman Top Punch 284

• Bullet-Nose Match: The Lyman Top Punch 284 is machined to match the bullet nose profile, helping the lube-sizer apply pressure evenly so the nose keeps its intended shape during sizing.
• Cleaner Sizing Operation: A correctly fitted top punch keeps the bullet aligned in the press, which supports smoother, more consistent sizing and lubrication when working through cast-bullet batches.
• Steel Construction: The steel body stands up to repeated use in the loading room, making it a practical choice for reloaders who size bullets regularly rather than only occasionally.
• Made in USA: USA manufacture is a useful detail for reloaders who want Lyman casting and case-preparation accessories built to the company’s established production standards.
• Broad System Compatibility: Lyman states that its top punches are interchangeable with RCBS, which gives added flexibility for reloaders using mixed bullet-sizing equipment.

About the Lyman Accessories Series

Lyman Accessories covers the small but essential tools that keep a reloading bench working efficiently. Within Lyman’s lineup, this series supports the company’s presses, dies, casting tools and case-preparation equipment with purpose-built parts designed for specific tasks rather than general use. That matters in cast-bullet work, where proper fit between the tool and the bullet often has a direct effect on finished results.

For bullet sizing and lubrication, the series includes components such as top punches and related tooling that help the operator match the equipment to a particular bullet design. The design philosophy is straightforward: durable materials, simple mechanical function and compatibility with established reloading systems. In practice, that means accessories that are easy to integrate into an existing bench setup and that focus on repeatability rather than unnecessary complexity. For reloaders who cast and size their own bullets, the Lyman Accessories range fills the gap between the main machine and the exact bullet profile being processed, which is why these small parts are often as important as the press itself.

About the Lyman Top Punch 284

The Lyman Top Punch 284 is a dedicated bullet-sizing accessory for reloaders who want the seating contact in a lube-sizer to match the bullet nose correctly. Instead of pressing on the bullet with a generic contact surface, this model is shaped for a specific profile so pressure is applied more evenly during the sizing stroke. The practical result is better support for the bullet nose and less chance of deforming the front of the projectile while running cast bullets through the machine.

That makes this accessory especially useful in cast-bullet loading, where preserving bullet shape is important for consistent handling and maintaining the intended form of the projectile. A properly matched top punch also helps the bullet enter the die in a more controlled way, which can make bench work feel smoother and more repeatable over longer loading sessions. Lyman machines these top punches to fit Lyman moulds, and the company notes that they are interchangeable with RCBS, which adds flexibility for reloaders already using compatible bullet-sizing equipment.

Built from steel and weighing 145.00 g, the Top Punch 284 is a simple but important workshop component: compact, durable and task-specific. For anyone assembling a bullet-sizing setup around a particular cast-bullet design, this is the part that helps the press work with the bullet rather than against it.

About Lyman

The Lyman Gun Sight Company began in 1878 in Middlefield, Connecticut, and the brand grew from sight-making into a broader specialist in shooting and reloading equipment. Today, Lyman Products is headquartered in Middletown, Connecticut and is known for making tools and accessories for handloaders, bullet casters and shooters who want practical bench equipment rather than decorative extras.

The company’s range includes reloading dies, presses, bullet-casting equipment and gun sights, which explains why Lyman remains closely associated with traditional loading-room work as well as sighting products. Its history also includes the 1925 acquisition of the Ideal reloading-tool business, a step that strengthened Lyman’s place in the reloading category. That long involvement in casting and handloading is especially relevant here, because products such as top punches are part of the same bench-focused approach: simple tools, specific functions and compatibility with established reloading systems.

Main Features

• Product: Lyman Top Punch 284
• Category: Bullet Sizing
• Series: Lyman Accessories
• Manufacturer: Lyman
• Made in: USA
• Material: Steel
• Weight: 145.00 g
• Color: Silver
• Application: Case preparation
• Part number: 2786707

Warranty

Lyman provides a 2-year warranty for this product. That stated period adds clear coverage for defects in materials or workmanship within the manufacturer’s specified term.