Hornady Lock-N-Load Case Prep Large Caliber Deburr

The Hornady Lock-N-Load Case Prep Large Caliber Deburr is a precision chamfering tool designed for reloaders who demand clean, consistent case prep on big-bore ammunition. If you're serious about handloading rifle cartridges and want to eliminate the burrs and imperfections that accumulate on case necks during trimming, this deburring tool addresses one of the most often-overlooked steps in the reloading process—and it shows in your finished rounds.

Case neck burrs may seem minor, but they affect how consistently a bullet seats, how evenly pressure builds during firing, and ultimately how tight your groups shoot. This deburr tool removes those rough edges from the outside of the case neck with repeatable precision, giving you the cleaner brass that translates to more uniform loads. Because it features an 8-32 thread interface, it integrates seamlessly into Hornady's Lock-N-Load ecosystem, working with both the Case Prep Trio bench center and the Universal Accessory Handle for flexible setup options.

Whether you're prepping virgin brass for the first time or refining your technique on fired cases, this large-caliber version handles the bigger necks found in magnums and other full-power rifle rounds. It's the kind of detail-oriented tool that separates casual reloaders from those who treat case prep as the foundation of accuracy.

Key Features

• Large caliber design sized for big-bore rifle cartridges
• 8-32 threaded connection for integration with Lock-N-Load Case Prep Trio and Universal Accessory Handle
• Removes burrs and imperfections from case neck exterior
• Promotes uniform bullet seating and consistent chamber fit

Frequently Asked Questions

Will this work with my Hornady Lock-N-Load Case Prep setup?

Yes. The tool features an 8-32 thread interface that allows it to attach directly to both the Lock-N-Load Case Prep Trio bench center and the Universal Accessory Handle.

What size cases does this deburr handle?

This is the large caliber version, designed for bigger case necks found in full-power rifle cartridges like magnum rounds.

How does case deburring improve my reloading results?

Removing burrs from the outside of the case neck ensures cleaner, more uniform bullet seating and consistent cartridge dimensions, which translates to better accuracy and more predictable performance downrange.