Description
Heavy by Design. Stable by Structure.
The 300-grain Gold Country Rhino is not a compromise bullet.
It exists for shooters who need maximum mass, predictable penetration, and structural integrity across a wide range of impact energies — especially in platforms where lighter bullets lose momentum too quickly or fail structurally.
This bullet does not chase expansion.
It delivers crush, continuity, and control.
The 300-grain configuration emphasizes momentum and penetration, characteristics that have long made heavy .44-caliber bullets effective in woods hunting rifles.
Typical rifle applications include:
- .44 Magnum lever-action rifles
- .444 Marlin hunting rifles
In these platforms the Rhino bullet provides a combination of reliable feeding, strong structural integrity, and the large frontal impact area that hunters expect from traditional lever-gun bullets.
For handloaders working with heavy .44-caliber rifle cartridges, the Gold Country Rhino 300-grain Wide Flat Nose offers a purpose-built hunting bullet designed for real field conditions.
Shared Rhino Jacket Architecture
The 300-grain Rhino uses the same thick, mechanically supported copper jacket found throughout the Rhino Bullet System.
That jacket was engineered to remain intact under elevated impact velocities and heavy resistance — maintaining mass and directional stability where lighter or thinner designs fail.
This is why Rhino bullets perform consistently across:
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Handguns
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Lever-action rifles
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High-energy straight-wall and magnum platforms
Weight changes the momentum.
The behavior stays the same.
Cannelured, Flat Base, Hand-Swaged
The Rhino’s cannelure ensures secure seating and reliable retention under recoil and tubular magazine use.
The flat base contributes to consistent ignition and stability, especially in shorter barrels and heavy-for-caliber loads.
Each bullet is hand swaged, delivering:
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Uniform jacket concentricity
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Consistent core placement
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Repeatable weight and balance
This is match-grade construction applied to a working bullet.
Who This Bullet Is For
The 300-grain Rhino is ideal for shooters who prioritize:
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Deep, straight-line penetration
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Heavy bullet momentum
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Reliable performance across platforms
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Predictable terminal behavior over dramatic expansion
If you already know why you want 300 grains in .429 — this bullet solves the problem without explanation.
Referenced In:
- The Gold Country Rhino Bullet System
- Range Report
The Forgotten Heavyweights – .429 Magnum and Beyond
Related Chapters & Technical Notes:
Chapter 7 — Accuracy & Precision Expectations
TN-17 — Rifle vs. Revolver Loads: Mechanical Realities
Jacketed 300gr .429
- Series: Generic
- Style: Jacketed
- Grain: 300
- Diameter: .429
- TwistRate: 1:1
- CompatibleCartridges: .44 Auto Mag, .44 Colt, .44 WCF / .44-40 Winchester, .444 Marlin, 44 Magnum, 44 Special
- UseCase: Medium/Large Game Hunting
- SourceType: Generic
| Cartridge | Powder | Charge | Velocity | COAL | Source |
|---|---|---|---|---|---|
| 44 Magnum (Handgun) | W296 | 17.0-20.2 gr | 1266-1325 fps | 1.685" | Gold Country |
| 44 Magnum (Handgun) | H110 | 17.0-20.0 gr | 1250-1320 fps | 1.685" | Gold Country |
Specifications
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Brand: Gold Country Ammo
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Bullet Line: Rhino
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Diameter: .429
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Weight: 300 Grain
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Construction: Copper jacketed, lead core
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Nose Profile: Wide flat nose, exposed lead
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Base: Flat
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Cannelure: Yes
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Manufacturing: Hand swaged
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Quality Grade: Match-grade construction
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Intended Use: Hunting, defense
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Platform Compatibility: Rifle or handgun
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Quantity: 50 bullets per box










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