Description
Case trimming is the chore most reloaders dread, and the Hornady High Speed 3-in-1 Power Case Trimmer was built to take the misery out of it. This compact benchtop unit folds three separate steps into one quick motion, trimming the case mouth, chamfering the inside, and deburring the outside as you feed each piece of brass in. The direct-drive motor spins at over 2000 RPM, so there are no belts or pulleys to fuss with, and testers have found it capable of running through roughly 25 cases a minute once you settle into a rhythm.
What Sets the 3-in-1 Power Case Trimmer Apart
The click-adjustable micrometer lets you set trim length in .001 inch increments, and once it's dialed in you get consistent, repeatable results run after run. Oil-embedded brass bearings that are reamed to fit keep the operation smooth and quiet, while adjustable hard stop and detent case feed rods make swapping trim lengths between cartridges simple. Reloaders coming from older manual trimmers or prep centers tend to notice right away how much faster and less fiddly the whole process becomes.
Caliber Coverage and Setup on the Hornady High Speed Trimmer
This trimmer handles cases from 20 caliber up to 338 caliber, with case lengths from 1.450 inches out to 3.5 inches. It ships with eight pilots covering .20, .22, .24, .25, .26, .28, .30, and .338 diameters, so popular rifle calibers are ready to go out of the box. Setup is straightforward, you drop in the shavings tray, pop on the cover, and bolt the unit to your bench. A built-in bin catches your trimmed brass as you crank the handle, keeping the workspace clean.
For high-volume loaders, AR shooters, and precision handloaders processing large lots of brass, this is one of the fastest, most practical ways to knock out case prep without sore fingers at the end of the session.
Key Specifications
- Manufacturer: Hornady
- Manufacturer Part Number: 50190
- UPC: 090255501902
- Type: Power Case Trimmer
- Function: Trim, Chamfer, and Deburr in One Step
- Motor Speed: Over 2000 RPM
- Adjustment: Click-Adjustable Micrometer, .001" Increments
- Caliber Range: 20 Cal to 338 Cal
- Case Length Range: 1.450" to 3.5"
- Included Pilots: 8 (.20, .22, .24, .25, .26, .28, .30, .338)
- Bearings: Oil-Embedded Brass, Reamed to Fit
- Power: 120 Volt
- Length: 15.45 in
What’s Included
- High Speed 3-in-1 Power Case Trimmer unit
- 8 case pilots (.20, .22, .24, .25, .26, .28, .30, .338)
- 2 case clamp collets
- Shavings collection tray
- Protective cover
- Instruction manual
Frequently Asked Questions
What calibers does the Hornady High Speed 3-in-1 Power Case Trimmer handle?
It works with cases from 20 caliber up to 338 caliber, covering case lengths from 1.450 inches to 3.5 inches. The included eight pilots cover .20, .22, .24, .25, .26, .28, .30, and .338 diameters, so most popular rifle cartridges are ready right out of the box. Very large magnum case heads fall outside the collet range, so it's aimed squarely at standard rifle brass.
How fast is it compared to a manual case trimmer?
The direct-drive motor spins at over 2000 RPM, and in real-world use it's been clocked around 25 cases per minute once you find your rhythm. That means you can process a few hundred cases in well under an hour. The biggest praise from reloaders is simply how much faster it is than hand trimming, and how much easier it is on your fingers during long sessions.
How repeatable are the trim lengths?
The click-adjustable micrometer sets length in .001 inch increments, and once dialed in the trimmer holds within about +/- .002 inch on the same lot of brass. Because it indexes off the case rim in a collet, you may see a touch of variation case to case, which most reloaders find perfectly acceptable for bulk and hunting ammo. Many serious shooters use it for the bulk work and lean on a shoulder-indexed tool only for their tightest match loads.
Does it really trim, chamfer, and deburr all at once?
Yes, that's the whole point of the 3-in-1 design. As you feed a case in, it trims the mouth to length, chamfers the inside, and deburrs the outside in a single operation. This eliminates the need to shuffle brass between three separate tools and keeps your case prep to one quick, clean step.




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