Description
When the 250-grain class does not provide the mass you want
The 250-grain class is versatile, but some .452 handloading projects begin with a different requirement: a heavier jacketed flat nose. The 300-grain Rhino is the mass-forward step in the family for compatible revolver, single-shot and rifle applications supported by appropriate published data.
This listing is for 50 component bullets. Cases, primers, powder and load data are not included. These bullets are hand swaged in small batches, made to order and normally ship within seven business days.
Why choose the 300-grain Rhino
The Rhino combines an exposed-lead wide flat nose, copper jacket, flat base and cannelure in a heavier 300-grain component. It offers a clear weight progression from the 250-grain Rhino rather than pretending one weight solves every application. Construction alone does not guarantee feeding, accuracy, penetration or a particular field result; the complete cartridge, firearm, velocity and impact conditions determine performance.
Component specifications
- Manufacturer: Gold Country Ammo
- Bullet system: Rhino
- Diameter: .452 inch
- Weight: 300 grains
- Profile: Exposed-lead wide flat nose
- Construction: Copper jacket with lead core
- Base: Flat base
- Cannelure: Yes
- Quantity: 50 component bullets
- Production: Made to order; normally ships within seven business days
- Made in: USA
Build around the cartridge, firearm and published data
Use current published jacketed-bullet data for the exact cartridge and bullet weight. Confirm diameter, seating depth, cartridge overall length, crimp, chamber or cylinder fit and, where applicable, magazine and feeding compatibility in the firearm that will be used.
No profile found for this bullet.
| Cartridge | Powder | Charge | Velocity | COAL | Source |
|---|---|---|---|---|---|
| 454 Casull | H110 | 26.0-28.0 gr | 1400-1550 fps | 1.765" | Hodgdon |




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