Description
Hornady .45-70 Government brass gives reloaders a clean, uniform foundation to build their loads on. These are new, unprimed cases made to the same standards Hornady is known for across their bullet and ammunition lines, which means you get consistent wall thickness, tight concentricity, and predictable internal capacity right out of the pack. For a cartridge as old and as versatile as the .45-70, having brass you can trust makes a real difference whether you're working up a mild cast-bullet plinking load or a heavy hunting round.
What Sets This Hornady .45-70 Brass Apart
Hornady takes extra time with their brass, producing it in smaller lots that get checked for uniformity in wall thickness, weight, and capacity. The cases are also run through a pressure calibration test to promote even case expansion when fired, which helps the bullet seat properly in both the case and the chamber. Consistent capacity and concentricity translate directly to more uniform charges and pressures, and that's what gives you repeatable accuracy down the line.
Loading the .45-70 Government
The .45-70 uses a large rifle primer, so pair these cases with your preferred large rifle or large rifle magnum primers depending on your powder choice and load data. One of the best things about this old warhorse is its flexibility: the same case works across Trapdoor-level loads, lever-action loads, and stout single-shot loads, as long as you match your data to your rifle's action strength. Standard bullet diameter runs .458 inch, and popular powders like IMR 4198, H4198, and Accurate 5744 are proven performers.
Built to Be Reloaded Again and Again
Good brass earns its keep over many firings, and Hornady cases are made to hold up through repeated reloading cycles when you care for them properly. Trim to spec, keep an eye on your sizing, and these cases will give you plenty of life. If you shoot the .45-70 regularly, starting with quality new brass takes a lot of the guesswork out of building a load you can count on.
Key Specifications
- Manufacturer: Hornady
- Manufacturer Part Number: 8784
- UPC: 090255487848
- Caliber: .45-70 Government
- Component Type: Unprimed Rifle Brass Cases
- Primed: No
- Primer Size: Large Rifle
- Bullet Diameter: .458 inch
- Material: Brass
- Condition: New
- Quantity: 50 per pack
What’s Included
- 50 new unprimed Hornady .45-70 Government brass cases
Frequently Asked Questions
Are these Hornady .45-70 cases primed or unprimed?
These are new, unprimed brass cases, so you'll add your own primers, powder, and bullets. The .45-70 Government uses a large rifle primer, so grab standard large rifle or large rifle magnum primers based on your load data and powder. This is a reloading component and not loaded ammunition.
What primer size does the .45-70 Government take?
The .45-70 is a large rifle primer cartridge. Most reloaders stick with standard large rifle primers like CCI 200 or Winchester, though some prefer large rifle magnum primers for heavier charges or cold-weather ignition. Always follow published load data for your specific powder and rifle.
Will this Hornady .45-70 brass work in a Trapdoor, lever gun, or single-shot?
Yes, the same brass works across all three, since the .45-70 case is standardized. What changes is your load data, which must match the strength of your rifle's action. Trapdoor-level loads are much milder than loads built for a modern lever action or a strong single-shot like a Ruger No. 1, so be sure your data is intended for your specific rifle.
How many cases come in a pack?
Each pack contains 50 new unprimed .45-70 Government cases. That's a convenient batch size for working up and refining a load, and it's easy to pick up a few packs if you want to build a larger supply for an extended loading session.





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