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Hornady .300 Win Mag Unprimed Casings 50 Box
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$66.99
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SKU: 8670-090255486704
Overview
Built for reloaders working with .300 Win Mag, these unprimed cases are intended to provide a consistent starting point for custom ammunition assembly. Hornady describes them as premium brass produced in smaller lots under strict quality standards, with attention paid to uniform wall thickness, weight, and internal capacity. Each case is measured for tight concentricity and pressure calibrated to support consistent case expansion during firing, which can help promote proper bullet seating in the case and chamber. For hunters and precision-minded shooters who value careful handloading, this box of 50 offers a practical supply for building loads around a specific rifle and purpose.
Why Hunters Choose the Hornady
Strict Quality
Standards support consistent case production
Uniform Wall
Thickness helps maintain consistency across
Tight Concentricity
Supports proper bullet seating in
Pressure Calibration
Testing is included for uniform
High-quality Brass
Is specified for .300 Win
Key Features
- Unprimed brass cases for .300 Win Mag reloading
- Smaller production lots made to strict quality standards
- Uniform wall thickness, weight, and internal capacity
- Measured for consistently tight wall concentricity
- Pressure calibration testing helps ensure uniform case expansion
- Packaged as a 50-count box
Best Used For
- Reloaders building .300 Win Mag hunting loads with consistent case dimensions and fit
- Shooters who prioritize uniform wall thickness and internal capacity in brass cases
- Hunters developing carefully matched ammunition for repeatable chambering and bullet seating
- Handloaders seeking unprimed brass for custom .300 Win Mag cartridge assembly
- Serious rifle owners who want premium brass for load development and batch consistency
Specifications
| Caliber | .300 Win Mag |
|---|---|
| Case Material | High quality brass |
| Internal Capacity | Uniform internal capacity |
| Pressure Calibration Testing | Yes |
| Primed | Unprimed |
| Quality Standards | Strict quality standards |
| Quantity | 50 Box |
| Wall Concentricity | Consistently tight wall concentricity |
| Wall Thickness | Uniform wall thickness |
Pros
- Strict quality standards support consistent case production for reloaders.
- Uniform wall thickness helps maintain consistency across the brass lot.
- Tight concentricity supports proper bullet seating in case and chamber.
- Pressure calibration testing is included for uniform case expansion during firing.
- High-quality brass is specified for .300 Win Mag reloading applications.
Considerations & Trade-offs
- These are unprimed cases, so they are intended for reloaders who want to complete the loading process themselves rather than buy ready-to-fire ammunition.
- The box contains 50 cases, which may be more than some shooters need for occasional use but is practical for those building a dedicated .300 Win Mag reloading supply.
- The product description emphasizes uniformity and concentricity, but it does not provide component details such as primer type, bullet selection, or load data, so those choices remain up to the reloader.
Suggested Comparisons
- Other rifle brass in similar magnum calibers
- Primed rifle cases
- Reloading components for centerfire rifle cartridges
- Full reloading supplies for rifle handloading
Suggested Accessories
- Reloading press
- Case trimmer
- Case cleaning media
- Bullet seating die
Frequently Asked Questions
What caliber are these cases made for?
These are .300 Win Mag cases.
Are these primed or unprimed?
They are unprimed casings, so primers are not included.
How many cases come in the box?
The product title indicates a 50-box quantity.
What quality-control details are mentioned for these cases?
The description says Hornady produces smaller lots to meet strict quality standards, with uniform wall thickness, consistently tight wall concentricity, and pressure calibration testing for uniform case expansion during firing.
What material are these cases made from?
The specifications list them as high quality brass.