Review: Hornady High Speed 3-in-1 Power Case Trimmer

By Cory Ross • Published October 9, 2026

Editor’s Note: For this Hornady case trimmer review, the author received the unit for testing from the company. All opinions are those of the author’s.

Reloading can be a meticulous and laborious task—but also rewarding. It can also feel intimidating. There are many steps, different methods, and more than one way to make a mistake, which can lead to a frustrating day at the range. So, why do it? For some, it’s a way to save money; for others, it’s a relaxing hobby; and for others still, it may be the pursuit of maximum accuracy and consistency.

Hornady High Speed 3-in-1 Power Case Trimmer review photo — The Hornady High Speed 3-in-1 Power Case Trimmer is a compact, bench-mounted tool to help get maximum precision when reloading. Image: Hornady

When I started reloading a decade ago, it was to cut costs. Specifically, it was to cut costs on things other than 5.56 NATO and 9mm (I buy those in bulk instead). That includes magnum handgun loads like .44 Magnum, or precision rifle rounds, like 6mm BR. However, these days I find myself spending less time loading ammunition. Frankly, there just isn’t as much free time as there used to be.

Previously, one of my least favorite jobs was trimming cases. First, let me address this question: Why trim cases at all? It’s simple (well, as simple as physics can be): when the powder is ignited and gases expand, brass stretches. Specifically, brass stretches in the paths of least resistance.

This is why, after firing it, many people will resize their brass back to factory dimensions. When this happens, the neck tends to be a little long, which can cause feeding issues. The solution is to trim the case back to SAAMI (Sporting Arms and Ammunition Manufacturers’ Institute) specs. Voila.

The Hornady case trimmer offers excellent durability with excellent precision for accurately trimming high quantities of fired brass. Image: Hornady

Unfortunately, the process of trimming hasn’t always been easy, and the methods for accomplishing the task seem endless. The simplest that I’m aware of is from Lee Precision. In this instance, a cartridge overall length gauge is threaded into a cutter. The gauge and cutter are fed through the case mouth until the gauge tip meets the flash hole. A hand tool or drill can be used to trim, while the whole thing is held in a vice via a Lee shell holder.

Simple, yes. Fast? Ehh. Precise, definitely not. However, I’ve used this method forever — at least for things like a magnum revolver and straight-walled rifle cartridges. But never for anything that requires more precision.

But that leads me to the topic of this article—a better solution for precision trimming for bottleneck rifle cartridges.

Hornady’s Answer

I’m a ’90s kid. Like many who grew up during that time, one of my favorite shows was Home Improvement. So, it’s no surprise that when I looked at the new Hornady High Speed 3-in-1 Power Case Trimmer, I thought of Tim “the Toolman” Taylor’s famous tagline—“More Power!” This is very fitting for a case trimmer that can spin the cutting tool at over 2000 rpm.

close up photo of the case trimmer in action during testing — The author found the Hornady design to be extremely intuitive, which made his case trimming operations easy.

Hornady set out to tackle one of the most time-consuming aspects of reloading by designing a compact, space-saving case prep station that blends speed, accuracy and rugged practicality into a single machine. Where reloaders once needed a dedicated trimmer and separate tools—even hand tools—to chamfer and deburr the case mouth, the High Speed 3-in-1 Power Case Trimmer consolidates the entire process into a single streamlined operation.

Driven by a powerful electric motor spinning at over 2,000 rpm, it trims, chamfers and deburrs in a single pass, eliminating tool changes and extra handling while delivering consistent, repeatable results. The result is a dramatic reduction in brass prep time, making it an ideal solution for reloaders who value efficiency, precision, and making the most of limited bench time.

At the core of the system is a high-rpm electric motor that spins fast enough to produce quick, clean cuts while keeping excellent control. Once adjusted, the trimmer delivers consistent results thanks to a precise, click-adjustable micrometer that allows length adjustments in .001-inch increments. This makes setting the trim length easy and repeatable, even when switching cartridges.

Hornady 3-in-1 case trimmer with all accessories used in the testing — The Hornady High Speed 3-in-1 Power Case Trimmer is shown here with all accessories used in the author’s testing.

The 3-in-1 cutting head is the true highlight. As the case is trimmed to length, both the inside and outside of the mouth are simultaneously chamfered and deburred. This not only saves time, but also creates uniform case mouths ready for consistent bullet seating without the extra headache—especially when loading long, high-speed, low-drag bullets.

Designed around a collet-and-pilot system, the trimmer supports a wide range of popular rifle calibers (bottleneck only), from .20 caliber through .338 caliber, with case-length capacity covering most common bottleneck cartridges (1.450”-3.5”). Operation is intuitive, with a forward motion to trim and a quick twist to release the finished case into the detachable bin.

Using the 3-in-1 Trimmer

The new Hornady trimmer requires workbench space and needs to overhang. For me, and many others, space is limited. Luckily, Inline Fabrication offers a quick-detach mounting plate that adapts to their modular system. This allows me to have one stand that I can switch out for different reloading tools, whether it’s a press or a trimmer. This system uses an indexing plate that locks into place and is secured with two bolts. This not only saves space but also raises things to a more comfortable height. Inline Fabrication offers a solution for nearly every reloading tool and press on the market, and it’s a product I highly recommend. (And, they are not too pricey, so check them out.)

case trimming in progress during tool testing — The author found that the Hornady case trimmer made quick work of bottlenecked rifle cases.

Once the plate arrived, I easily added the 3-in-1 trimmer and swapped out my AREA 419 ZERO Press. From there, follow the step-by-step instructions in the manual. Hornady also provides a video guide.

Once set up, the trimmer performs as expected. It is fast and can process a large amount of brass quickly. Each case is secured with a collet. The kit includes two collets. Each collet can accommodate multiple rim sizes. A guide is provided in the manual, but using trial and error also works.

Additionally, I like the click-adjust micrometer, which allows for very precise tuning. Each click moves about 0.001”, making it easy to dial in the exact case length. Another helpful feature is the included bin that mounts below the cutter to catch the brass, freeing up one hand while you work. All in all, this is a well-thought-out piece of kit.

Zooming Out

Ultimately, the Hornady 3-in-1 Power Case Trimmer delivers exactly what it promises: a quicker, more efficient way to handle one of the most time-consuming steps in reloading. By combining trimming, chamfering and deburring into a single high-speed operation, it reduces time. The powerful motor, precise click-adjustable micrometer, and carefully designed cutting head work together to produce consistent, repeatable results—qualities that matter just as much to precision-focused reloaders as they do to those short on time.

What stands out most is how smoothly the trimmer integrates into my reloading workflow. Once correctly set up, operation is intuitive, efficient, and quick, allowing large volumes of bottleneck rifle brass to be processed without losing accuracy.

However, the important question: Is this for you? If you are a serious reloader, competitive rifle shooter, or truly appreciate the finer things in life, I’d suggest adding this to your reloading setup. But it isn’t cheap (if you shop around, you can find it in the $600 range), so I wouldn’t recommend it for beginners. Something like the Lee system I mentioned earlier works just fine.

Reloading is scalable. Start with budget or secondhand equipment, and build your ideal setup based on your needs. Or, in my case, consider teaming up with a buddy. If you and your friends want to try precision reloading, share the costs.

case mouths shown before and after trimming with the Hornady Case Trimmer — This before and after image shows the cleanly cut edge the Hornady case trimmer leaves on a brass case.

Ultimately, it’s your decision. I’m satisfied with the Hornady High Speed 3-in-1 Power Case Trimmer and believe it’s a very good investment.

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