Description
When 240 grains is not the load you came to build
Many .429 bullet listings cluster around conventional 240-grain handgun bullets. A handloader building at the heavy end of the .44-caliber spectrum needs a different starting point: a true 300-grain bullet with a broad flat nose and a construction identity that is easy to understand.
The 300-grain Gold Country Rhino anchors the heavy end of the Rhino weight progression. It gives the handloader a purpose-built alternative to the 240-, 245- and 265-grain choices.
We supply 50 bullets. The bullets are hand swaged in small batches, made to order and normally ship within seven business days.
Heavy is a system decision
A 300-grain bullet changes seating, case capacity, pressure, velocity, recoil and firearm function. Its mass and wide-flat-nose geometry do not guarantee penetration, accuracy, feeding or a particular hunting result. Those outcomes depend on the complete load, firearm and conditions.
bullet specifications
- Manufacturer: Gold Country Ammo
- Bullet system: Rhino
- Diameter: .429 inch
- Weight: 300 grains
- Profile: Exposed-lead wide flat nose
- Construction: Copper jacket with lead core
- Quantity: 50 bullets
- Production: We make these to order; we normally ship within seven business days
- Made in: USA
Use published data for the exact cartridge
Use current published jacketed-bullet data appropriate to the exact cartridge and 300-grain weight. Confirm diameter, seating depth, cartridge overall length, crimp, chamber fit and—where applicable—feeding and magazine compatibility before use.
Gold Country Rhino 300gr .429
- Series: Rhino
- Style: Flat Nose
- Grain: 300
- Diameter: .429
- Base: Flat Base
- Tip: Flat Nose
- BC: ~0.210
- TwistRate: 1:18 or faster
- CompatibleCartridges: .44 Auto Mag, .44 Colt, .44 WCF / .44-40 Winchester, .444 Marlin, 44 Magnum, 44 Magnum (Handgun), 44 Special
- UseCase: Heavy brush or close-range bear & hogs under 100 yards
- SKU: GCA429X300RHINOFN-50
| 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 |






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