Redding Adjustable Taper Crimp Die 40S&W/10Mm

The Redding Adjustable Taper Crimp Die for 40S&W and 10mm gives reloaders a faster, more precise way to set bullet crimp without constant die adjustments. If you're loading these pistol cartridges on a single-stage or progressive press, this top-adjusting die eliminates the frustration of removing the die from the press every time you need to tweak your crimp. A knurled micrometer-type adjustment barrel lets you dial in the crimp position with roughly ±.100" of fine control after your initial setup, so you can dial it in once and load with confidence.

The die's hardened-steel internal sleeve is where the work happens—it forms a consistent taper crimp on each round. Here's the clever part: the sleeve is double-ended, with a specific taper cut at each end. That means you can flip it around and crimp a second, related cartridge size without swapping dies. For handloaders managing 40S&W and 10mm batches, that's a real time-saver on the bench and keeps your die selection lean.

Whether you're reloading for match ammunition, defensive loads, or general practice, this crimp die brings precision and speed to the final step. The top-adjusting design is especially valuable if you're running a progressive press and need to keep your workflow smooth without breaking your rhythm to make adjustments.

Key Features

• Top-adjusting design eliminates need to remove die from press to adjust crimp
• Knurled micrometer-type barrel for precise crimp depth control
• Approximately ±.100" of adjustment range after initial setup
• Double-ended hardened-steel internal sleeve can crimp 40S&W and 10mm with a simple flip
• Ideal for both single-stage and progressive reloading operations

Specifications

Brand	Redding
Die Type	Adjustable Taper Crimp Die
Calibers	40S&W and 10mm
Adjustment Type	Top-adjusting with knurled micrometer barrel
Adjustment Range	Approximately ±.100" (after initial setup)
Internal Sleeve Material	Hardened steel, double-ended

Frequently Asked Questions

Can I use this die on my progressive press without removing it to adjust the crimp?

Yes—that's the whole design advantage. The top-adjusting micrometer barrel lets you fine-tune crimp depth while the die stays mounted in your press, which saves time and keeps your setup consistent.

Can this die crimp both 40S&W and 10mm cartridges?

Yes. The internal sleeve is double-ended with a specific taper at each end. You can flip it around to switch between the two cartridge sizes without removing the die from the press or ordering a separate die.

How much adjustment range does the micrometer barrel provide?

The knurled micrometer-type barrel gives you approximately ±.100" of adjustment range after you complete your initial setup. This fine control helps you dial in consistent crimp depth across your batch.

Is this die suitable for high-volume reloading?

Yes. The top-adjusting design is built to save time during high-volume production, especially on progressive presses, by eliminating the need to remove and reinstall the die to make crimp adjustments.