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Hornady Sub-X .45 Cal 410 Grain 50 Rounds
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 45052-090255450521
Overview
Built for subsonic use, this .45-70 Government load is aimed at hunters and handloaders who want controlled performance at reduced velocities. Its lead-core design, flat profile, long jacket grooves, and patented Flex Tip insert are described as working together to support expansion and deep penetration below the speed of sound. Cannelures are included for positive case crimp, which makes it a practical option for semiautomatic firearms. With 50 rounds per box, it suits shooters looking for a specialized subsonic hunting or field-use cartridge rather than a general-purpose load.
Why Hunters Choose the Hornady
Subsonic Use,
Reliable expansion at velocities as
Lead Core
High weight retention are specified
Patented Flex
Tip and flat profile support
Long Grooves
In the gilding metal jacket
Cannelures Provide
Positive case crimp, making it
Key Features
- Sub-X subsonic expanding bullets for .45-70 Government
- 410 grain bullet weight, 50 rounds per box
- Lead core designed for deep penetration at reduced velocities
- Patented Flex Tip and hollowpoint cavity support low-velocity expansion
- Long grooves and flat profile aid expansion performance
- Cannelures provide positive case crimp for semiautomatic weapons
Best Used For
- Hunters loading .45-70 Government rounds for subsonic applications and reduced report
- Handloaders seeking repeatable terminal performance at velocities as low as 900 feet per second
- Semi-automatic users who want positive case crimp and reliable cartridge seating
- Shooters prioritizing reduced recoil while maintaining expanding bullet performance
- Big-game hunters needing deep-penetrating .45 caliber bullets in a 50-round box
Specifications
| Bullet Type | Sub-X (Subsonic - eXpanding) |
|---|---|
| Bullet Weight | 410 grain |
| Cannelures | Yes |
| Cartridge | .45-70 Government |
| Core Material | Lead core |
| Count | 50/Box |
| Designed For | Deep penetration below the speed of sound |
| Diameter | 0.458" |
| Expansion Velocity | as low as 900 feet per second |
| Grooves | Long grooves |
| Jacket Material | Gilding metal jacket |
| Profile | Flat profile |
| Recoil | Reduced recoil |
| Semiautomatic Compatible | Yes |
| Terminal Performance | Repeatable terminal performance |
| Tip | Patented Flex Tip insert |
| Use | Handloading |
| Weight Retention | High weight retention at reduced velocities |
Pros
- Designed for subsonic use, with reliable expansion at velocities as low as 900 feet per second.
- Lead core and high weight retention are specified for reduced-velocity performance.
- Patented Flex Tip and flat profile support expansion from the hollowpoint cavity.
- Long grooves in the gilding metal jacket are included in the bullet design.
- Cannelures provide positive case crimp, making it suitable for semiautomatic weapons.
- 50-round box offers a practical quantity for handloading applications.
Considerations & Trade-offs
- Designed for subsonic use, so it is intended around reduced velocities rather than full-speed loads.
- The 410 grain bullet weight may not suit every .45-70 application or load preference.
- It is a component bullet for handloaders, so performance depends on the finished cartridge and firearm setup.
- The product description emphasizes terminal performance at low velocity, which is a specific use case rather than a general-purpose option.
Suggested Comparisons
- Subsonic rifle ammunition
- Handloading components
- Big-bore hunting cartridges
Suggested Accessories
- Ammunition storage box
- Hearing protection
- Reloading press
- Bullet puller
Frequently Asked Questions
What cartridge is this ammunition designed for?
It is listed for .45-70 Government.
How many rounds come in a box?
The product count is 50 rounds per box.
What bullet weight is listed?
The listed bullet weight is 410 grain.
Is this load intended for subsonic use?
Yes. The product is described as Sub-X, meaning Subsonic - eXpanding, and it is designed to perform at reduced velocities.
What features are mentioned for expansion and loading?
The description says it uses a lead core, long grooves in a gilding metal jacket, a flat profile, a patented Flex Tip insert in the hollowpoint cavity, and cannelures for positive case crimp. It is also described as ideal for semiautomatic weapons.