Lyman H&i Sizing Die .225

• .225 sizing diameter: This H&I sizing die brings cast bullets to a consistent .225 diameter, helping match bullet fit to the bore for better accuracy and more uniform downrange performance.
• Body sizing operation: The die is built for bullet body sizing, allowing reloaders and bullet casters to control final bullet dimensions before loading and improve consistency from one batch to the next.
• Steel construction: A steel sizing die stands up well to repeated use on the loading bench, giving the tool the durability needed for regular cast-bullet work.
• Standard 7/8"-14 thread compatibility: The standard thread pattern makes integration straightforward with common presses and reloading setups, so it fits easily into an established casting workflow.
• Made in the USA: Domestic manufacture is a practical advantage for shooters who value established production standards and easy continuity with other Lyman reloading and casting tools.

About the Lyman H&I Sizing Die Series

Lyman H&I Sizing Dies are part of the company’s long-established cast-bullet tooling range, aimed at reloaders who want tighter control over bullet fit, lubrication and finished ammunition consistency. In Lyman’s lineup, these dies sit within the bullet-casting and bullet-finishing side of reloading rather than cartridge case preparation, making them especially relevant to shooters who cast their own bullets for rifle and handgun use.

The series is built around a simple, durable concept: size the bullet to the intended diameter while supporting consistent lubrication in a dedicated sizer system. Lyman describes its improved H&I dies with 90° hole spacing for easier bullet lubrication, along with a tapered mouth and a hardened interior to help alignment and maintain a cylindrical bullet shape. That design approach suits practical bench work, where repeatability matters more than complexity. Across the series, the different diameter options let the user match bullet size to specific calibers and barrel requirements, which is one of the key factors in cast-bullet accuracy.

About the Lyman H&i Sizing Die .225

The Lyman H&i Sizing Die .225 is intended for cast-bullet shooters who need a precise final bullet diameter for .22 caliber applications that call for a .225 sized projectile. In cast-bullet loading, correct bullet fit is critical: a bullet that matches the barrel more closely can reduce gas blow-by, support cleaner engagement with the rifling and improve consistency on target. That makes this die a useful bench tool for reloaders tuning loads for accuracy rather than simply producing volume.

As a body sizing die, this model is focused on bringing the bullet to final dimension in a controlled, repeatable way. Its steel construction is well suited to repeated sizing work, while the standard format keeps it practical for established reloading setups. Lyman’s H&I die design also emphasizes smooth bullet entry and alignment, which matters when working with cast bullets that need to retain a uniform cylindrical shape through the sizing process. In use, that translates to a more consistent finished bullet and a more predictable loading routine.

Compatibility is also straightforward. The die uses a standard 7/8"-14 thread, making it easy to integrate with common press arrangements and casting benches. For reloaders already using Lyman bullet-casting equipment, this .225 die fits naturally into a system built around sizing and lubricating cast bullets with repeatable results.

About Lyman

The Lyman Gun Sight Company began in 1878 in Middlefield, Connecticut, and the business remains closely associated with shooting equipment and reloading tools. Today, Lyman Products is headquartered in Middletown, Connecticut and focuses on equipment and accessories for shooters and reloaders. Its range includes reloading dies, presses, bullet-casting equipment and gun sights, which makes the brand particularly relevant to handloaders who want one maker covering several stages of the loading process.

Lyman’s history in sight design also remains part of its identity, with tang and receiver sights that continue to reflect principles from William Lyman’s original concept. The company expanded its role in reloading when it acquired the Ideal reloading-tool business in 1925, helping establish the long connection between the Lyman name and handloading equipment.

Main Features

• Manufacturer: Lyman
• Made in: USA
• Die operation: Body sizing
• Pack size: Single
• Die type: Standard
• Bushing: No
• Case type: Universal
• Sizing die material: Steel
• Adjustment: Standard
• Press compatibility: Standard 7/8"-14 thread
• Bullet diameter: 5.72 mm
• Bullet diameter: 225.00 inch

Warranty

Lyman provides a 2-year warranty for this product. That stated warranty period gives clear coverage terms for a bench tool intended for regular reloading and cast-bullet sizing work.