Redding 40 S&W/10Mm Auto 3-Die Set

The Redding 40 S&W/10mm Auto 3-die set is built for reloaders who demand precision and consistency when preparing straight-wall pistol brass. Whether you're handloading for competition, personal defense, or high-volume range sessions, this three-die configuration gives you the specialized tooling needed to properly resize, expand, and seat rounds without compromising case integrity or bullet fit.

Straight-wall pistol cases like .40 S&W and 10mm Auto require a different die approach than rifle cartridges. A single full-length sizing operation can't simultaneously resize the case and expand the neck to accept a bullet properly—that's why Redding engineered this set with three separate dies, each handling a critical stage of the reloading process. The full-length sizing die includes a decapping rod assembly to remove spent primers, the expander die features a neck-expanding plug to open the case mouth to the right diameter, and the seating die combines a bullet guide, integrated crimp ring, and seating plug to seat and crimp in one controlled stroke.

This is precision reloading equipment designed for shooters who understand that consistency in handload prep translates directly to tighter groups and more reliable ammunition. Redding dies are known for durability and exacting tolerances, and this set carries that reputation into the pistol caliber space where many casual reloaders cut corners.

Key Features

• Three-die set engineered specifically for straight-wall pistol cases
• Full-length sizing die with decapping rod assembly for complete case preparation
• Expander die with neck-expanding plug for proper bullet fit
• Seating die with integrated bullet guide, crimp ring, and seating plug
• Handles both .40 S&W and 10mm Auto in a single set

Specifications

Frequently Asked Questions

What's included in this 3-die set?

The set contains a full-length sizing die with decapping rod assembly, an expander die with neck-expanding plug, and a seating die with bullet guide, built-in crimp ring, and seating plug. Each die is dedicated to a specific stage of the reloading process.

Can I use this set for both .40 S&W and 10mm Auto?

Yes, this Redding die set is calibrated to handle both .40 S&W and 10mm Auto cartridges.

Why does a handgun die set need three dies instead of one?

Straight-wall pistol cases require separate operations for full-length resizing and neck expansion—these functions cannot be performed simultaneously in a single die without compromising case integrity or bullet fit. The three-die design ensures each stage is handled properly.