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SIERRA 8900 45-70 300 GR. HP/FN 50 CT.
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$40.84
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SKU: 8900-092763089002
Overview
Built for the 45-70 bore size, this 300-grain flatnose bullet is intended for hunters loading rifles or compatible handguns chambered for .458-inch bores. It is described as suitable for a wide range of hunting situations, with use noted in both traditional and modern firearms that handle the cartridge. The design is presented as capable of reliable expansion at lower and higher velocities within the stated limits, while also feeding through a variety of magazines and actions. Load data should be verified through a reloading manual or powder manufacturer before use.
Why Hunters Choose the Sierra Bullets
45-70 Bore
Size in .45 caliber
Suitable Rifles
A .458 inch bore
Expands Modest
1873 Springfield velocities and stronger
Feeds Reliably
Through magazines and a variety
Designed Expand
Reliably in handguns at 1300
Key Features
- 45-70 caliber 300 grain HP/FN bullets in a 50-count box
- Designed specifically for the 45-70 bore size with a .458 inch bore
- Suitable for use in rifles or handguns chambered for .458 inch bore sizes
- Can be used in the 458 Winchester Magnum with muzzle velocities not exceeding 2500 fps
- Designed to expand reliably at 1300 fps in handguns
- Feeds reliably through all types of magazines and actions
Best Used For
- Hunters loading 45-70 rifles for a broad range of North American game
- Shooters using .458-inch bore rifles or compatible handguns chambered for 45-70
- Reloaders wanting a flatnose bullet suited to both modest and full-charge velocities
- Contender and similar handgun users seeking a bullet designed for reliable expansion
- Lever-action and single-shot owners needing dependable feeding through varied actions
Specifications
| Accuracy | Excellent |
|---|---|
| Bore Size | .458 inch |
| Bullet Style | Single flatnose bullet |
| Bullet Type | HP/FN |
| Bullet Weight | 300 gr. |
| Caliber | .45 |
| Cartridge | 45-70 |
| Compatible Firearms | Rifles or handguns with a .458 inch bore |
| Expansion Notes | Expands well at modest 1873 Springfield velocities and at full charge velocities in stronger action types |
| Feeding | Feeds reliably through all types of magazines and actions |
| Handgun Expansion Velocity | 1300 fps |
| Incompatible Firearms | Handguns with .451 or .454 inch bore size |
| Load Data Note | Check your reloading manual or go to a powder manufacturers website for load data |
| Maximum Velocity In 458 Winchester Magnum | 2500 fps |
| Quantity | 50 ct. |
| Recommended Firearms | T/C Contenders and similar handguns chambered for the 45-70 cartridge |
| Use | Hunting |
Pros
- Designed specifically for the 45-70 bore size in .45 caliber.
- Suitable for rifles or handguns with a .458 inch bore.
- Expands at modest 1873 Springfield velocities and stronger full-charge loads.
- Feeds reliably through magazines and a variety of actions.
- Designed to expand reliably in handguns at 1300 fps.
- Offered in a 50-count box for reloading convenience.
Considerations & Trade-offs
- This bullet is intended for .458 inch bores; it must not be used in handguns with .451 or .454 inch bore size.
- Load data is not provided here, so a reloading manual or powder manufacturer data is needed before use.
- It can be used in the .458 Winchester Magnum, but muzzle velocities should not exceed 2500 fps.
- Performance notes in the description are tied to specific velocity ranges, so results depend on matching the load to the firearm and application.
Suggested Comparisons
- 45-70 Government rifle ammunition components
- .458 caliber handgun loading components
- Big game hunting bullet components
- Reloading bullets for lever-action rifles
Suggested Accessories
- Reloading manual
- Powder measure
- Bullet puller
- Cartridge case
Frequently Asked Questions
What caliber and bore size is this bullet intended for?
This Sierra bullet is specifically for the 45-70 bore size in .45 caliber. It may be used in rifles or handguns with a .458 inch bore, but it must not be used in handguns with .451 or .454 inch bore size.
Is this bullet suitable for hunting, or is it mainly for target use?
The product description identifies it as a Pro-Hunter bullet and says dependable expansion and excellent accuracy make it a good choice for most hunting situations.
What firearms is it described as working with?
The description says it can be used in rifles or handguns with a .458 inch bore. It also mentions stronger-action rifles such as the Ruger No. 1, Ruger No. 3, and Marlin lever actions, plus T/C Contenders and similar handguns chambered for the 45-70 cartridge.
Can this bullet be used in the .458 Winchester Magnum?
Yes. The description says it can be used in the .458 Winchester Magnum cartridge, but muzzle velocities should not exceed 2500 fps.
What should I check before loading this bullet?
The product advises checking your reloading manual or the powder manufacturer’s website for load data. The description also notes that this bullet is designed to expand reliably at 1300 fps in handguns and at modest 1873 Springfield velocities as well as stronger full-charge loads.