Lyman H&i Sizing Die .325

• .325 sizing diameter: brings cast bullets to a consistent final diameter, which helps improve fit in the bore and supports more uniform accuracy.
• Body sizing operation: this H&I die is built specifically for bullet sizing, making it a practical choice for reloaders who want repeatable cast-bullet preparation.
• Steel construction: a steel sizing die stands up well to regular bench use and maintains the dimensional stability needed for consistent results.
• Standard 7/8"-14 thread compatibility: fits common reloading presses, so it integrates easily into an established loading setup without special adapters.
• Made in the USA: domestic manufacture is often valued by reloaders who want established production standards and straightforward product support.

About the H&I Series

Lyman H&I Sizing Dies are part of the company’s long-established cast-bullet reloading and bullet-casting range. The series is intended for reloaders who want to size cast bullets to a controlled final diameter before use, especially when building ammunition where bullet fit and lubrication consistency matter. Within Lyman’s lineup, these dies sit alongside the brand’s lubricating and sizing equipment and are designed to work as dedicated components in a cast-bullet workflow rather than as general-purpose cartridge dies.

The defining idea behind the H&I series is straightforward, durable bullet sizing. Lyman describes these dies as improved designs with 90° hole spacing for easier bullet lubrication, including with harder lubricants. They also use a tapered mouth and a hardened interior to help guide bullets into the die and maintain a cylindrical finished shape. That makes the series well suited to handloaders who want dependable, repeatable bullet preparation for rifle and pistol calibers without unnecessary complexity.

About the Lyman H&i Sizing Die .325

The Lyman H&i Sizing Die .325 is a single body sizing die made for cast-bullet reloaders who need a precise .325 / 8.30 mm finished bullet diameter. In practical terms, that makes it useful when bullet fit is a key part of load development, because a correctly sized cast bullet can contribute to steadier chambering, more consistent bore engagement and cleaner overall shooting characteristics.

This is a standard steel die, which suits the repetitive nature of bench reloading and cast-bullet preparation. The steel body is paired with a conventional standard adjustment layout, so setup remains familiar for reloaders already working with traditional press-mounted tooling. Its standard 7/8"-14 thread also makes it easy to install on widely used presses, helping it fit naturally into an existing loading bench rather than requiring a dedicated or proprietary system.

As part of Lyman’s H&I sizing system, this die is intended for users who want a dedicated sizing step rather than an all-in-one compromise. The benefit is control: when bullet diameter is matched to the application, the reloader can tune cast bullets more precisely for the firearm and load. For anyone working with cast projectiles in this diameter class, the .325 H&I die offers a simple, durable tool focused on one job and doing it consistently.

About Lyman

The Lyman Gun Sight Company began in 1878 in Middlefield, Connecticut, and the brand remains closely associated with practical shooting and reloading equipment. Lyman Products is headquartered in Middletown, Connecticut, and its catalog covers a broad range of tools and accessories for shooters and handloaders. The company is especially well known for making reloading dies, presses, bullet-casting equipment and gun sights, which places it in a strong position for products such as cast-bullet sizing tools.

A notable part of the company’s development came in 1925, when Lyman acquired the Ideal reloading-tool business, further strengthening its role in handloading equipment. That long involvement in both sighting products and reloading tools helps explain why Lyman remains a familiar name among reloaders who value established, workshop-oriented designs built around repeatable results.

Main Features

• Manufacturer: Lyman
• Made in: USA
• Category: Bullet Sizing
• Die operation: Body sizing
• Pack size: Single
• Die type: Standard
• Bushing: No
• Case type: Universal
• Sizing die material: Steel
• Material: Steel
• Adjustment: Standard
• Press compatibility: Standard 7/8"-14 thread
• Bullet diameter: 8.30 mm
• Bullet diameter: 325.00 inch

Warranty

2 years. Lyman states a 2-year warranty for this product, providing defined coverage for manufacturing or material issues within that period.