Forster Products 338 Norma Magnum Micrometer Seater Die

Precision reloading starts with the right seater die, and the Forster Products 338 Norma Magnum Micrometer Seater Die is built for shooters who demand repeatable, concentric ammunition. If you're loading for a 338 Norma Magnum rifle and want to dial in bullet seating depth to exacting standards, this micrometer seater die gives you the control to do it—without the guesswork or constant adjustment between bullets.

Forster manufactures every die from premium steel, machined to tight tolerances and hand-polished before and after heat-treating to ensure a superior finish. The 338 Norma Magnum seater die incorporates a micrometer adjustment that lets you set seating depth in increments as fine as .0005 inch—the kind of precision that matters when you're chasing consistent velocity and bullet runout. Once you've dialed in your preferred seating depth for a given bullet, simply record the setting. Switching between bullet weights or profiles is then as simple as turning the micrometer dial back to your saved number, eliminating the trial-and-error that wastes brass and time.

Like all Forster seater dies, this model features the signature Cross Bolt Die Locking Ring—a split-ring design that tightens from both ends rather than relying on a screw threaded directly into the die body. That approach protects die threads and delivers rock-solid seating consistency. Whether you're fine-tuning ammunition for long-range competition, hunting, or precision rifle work, the ability to hold bullet seating depth to the nearest half-thousandth of an inch is a real advantage. Forster's reputation in the reloading community is built on this kind of attention to detail and durability.

Key Features

• Micrometer adjustment for bullet seating depth in .0005 and .001 inch increments
• Premium steel construction with tight machining tolerances
• Hand-polished finish before and after heat-treatment
• Forster Cross Bolt Die Locking Ring for secure, repeatable positioning
• Dial-back feature allows quick return to previously recorded seating depths
• Sized specifically for 338 Norma Magnum cartridges

Specifications

Frequently Asked Questions

What is a micrometer seater die and why would I need one?

A micrometer seater die gives you precise control over how deep a bullet is seated in the case. Instead of adjusting by feel or crude measurements, the micrometer dial lets you set and repeat seating depth to within .0005 inch. This level of control helps produce more consistent ammunition, which improves velocity spreads and accuracy—especially valuable for competition reloading or precision rifle work.

Can I use this die for other cartridges, or is it only for 338 Norma Magnum?

This seater die is sized specifically for 338 Norma Magnum cartridges. Using it for other calibers will not produce correct results. Each die is matched to a particular cartridge family.

How does the dial-back feature work?

Once you've established your ideal seating depth for a particular bullet, you write down the micrometer dial reading. If you later switch to a different bullet weight or profile and need to return to your previous setting, you simply turn the micrometer dial back to that recorded number. This saves time and eliminates the need to re-establish seating depth from scratch every time you change bullets.

What is the Forster Cross Bolt Die Locking Ring?

Instead of a single screw that threads into the die body, Forster uses a split-ring locking collar that tightens from both ends. This design protects the die threads from damage and provides more even, secure clamping in your press.