Description
The .375 Ruger is one of those cartridges that rewards a careful handloader, and starting with quality brass makes all the difference. This is fresh, virgin, unprimed Hornady brass carrying the familiar Hornady headstamp, giving you a clean starting point for building your own .375 Ruger loads from the ground up. The .375 Ruger was developed jointly by Hornady and Ruger as a beltless, standard-length magnum that headspaces off its shoulder, and this brass is formed to match those chamber tolerances.
What Sets This Hornady .375 Ruger Brass Apart
Hornady runs their cases in smaller lots so each one meets strict quality standards. You get uniform case wall thickness, consistent weight and internal capacity, and tight wall concentricity that helps the bullet seat straight in both the case and the chamber. That concentricity matters more than people give it credit for, since it ties directly into how evenly the bullet releases on firing and how repeatable your groups end up being.
Loading the .375 Ruger With This Brass
This is a big-bore case built for serious work. The .375 Ruger holds more powder than the classic .375 H&H and pushes velocity gains in the neighborhood of 150 to 200 fps, which is a large part of why it can match H&H ballistics out of shorter barrels. It takes a large rifle magnum primer, and most handloaders pair it with slow-burning powder behind heavy .375 caliber bullets in the 250 to 300 grain range for plains game, big bears, and the kind of trips where you want absolute confidence in your ammo.
Why Reloaders Keep Coming Back to Hornady Brass
Beyond the tight tolerances, Hornady runs their cases through pressure calibration testing to confirm uniform expansion during firing, and each case gets hand inspected before it ships. For a cartridge like the .375 Ruger where good factory brass isn't always sitting on every shelf, having a trusted, made-in-the-USA option in a 50-count box is a real advantage for anyone who wants to tailor loads and get dependable case life season after season.
Key Specifications
- Manufacturer: Hornady
- Caliber: .375 Ruger
- Case Material: Brass
- Condition: New, virgin, unprimed
- Primed: No
- Primer Size: Large Rifle Magnum
- Quantity: 50 cases per box
- Country of Origin: USA
- Manufacturer Part Number: 8673
- UPC: 090255486735
- Shipping Weight: 2.0 lbs
What’s Included
- 50 Hornady .375 Ruger new unprimed brass cases
Frequently Asked Questions
Is this Hornady .375 Ruger brass new or once-fired?
This is new, virgin, unprimed Hornady brass that has never been fired or loaded. It gives you a clean, consistent starting point for building your own .375 Ruger handloads. Each case carries the Hornady headstamp.
What primer does the .375 Ruger take?
The .375 Ruger uses a large rifle magnum primer. Because the case holds a healthy charge of slow-burning powder behind heavy bullets, the magnum primer helps deliver consistent ignition. Always work up your loads from a trusted reloading manual.
How many cases come in a box?
Each box holds 50 unprimed .375 Ruger cases. Hornady produces this brass in smaller lots so every case meets their quality standards for wall thickness, concentricity and capacity.
What bullets work best when loading the .375 Ruger?
Most handloaders pair .375 Ruger brass with .375 caliber bullets in the 250 to 300 grain range for dangerous and big game. Combined with a slow-burning powder and a magnum primer, it builds into a hard-hitting load. Reference current load data for your specific components.


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