Description
Build the load when both terminal mechanism and aerodynamic form matter
Your goal is a 100-grain .243 / 6mm load with a deliberate answer at both ends of the bullet: a soft point at the nose and a rebated boat tail at the base. This Viper puts those decisions into one hand-swaged component so you can develop the cartridge around a clearly defined design.
The soft point provides the bullet’s intended expansion mechanism. The ultra-low-drag profile and rebated boat tail express an aerodynamic design goal. Together they make this Viper the 100-grain choice for the handloader who wants more than a generic soft-point listing.
This listing contains 50 component bullets. Cases, primers, powder and loaded ammunition are not included. Each box is made to order in a small batch and normally ships within seven business days.
What this bullet helps you pursue
This design gives you a purposeful starting point for a load where retained velocity, trajectory and terminal behavior all matter to the assignment. Those outcomes still belong to the complete system, but the bullet’s geometry tells you what it was designed to help pursue.
Choose this Viper when you want the ultra-low-drag soft-point nose and rebated boat tail together. Choose the Viper LD flat-base version when your project calls for a simpler aerodynamic profile and a flat base.
Why buy the Gold Country Viper
Gold Country serves the handloader who is looking for an exact combination that large catalogs often leave unexplained. You receive a named design, a defined nose and base, a useful 50-count development quantity and small-batch production from a maker focused on hard-to-find bullets.
Component specifications
- Manufacturer: Gold Country Ammo
- Bullet family: Viper
- Diameter: .243 inch / 6mm
- Weight: 100 grains
- Nose: Ultra-low-drag soft point
- Base: Rebated boat tail
- Construction: Jacketed lead core
- Quantity: 50 component bullets
- Production: Hand swaged, made to order; normally ships within seven business days
- Made in: USA
Prove the complete load
The design identifies what the bullet is intended to do; it does not guarantee accuracy, expansion, penetration or retained velocity in every load. Use current published jacketed-bullet data for the exact cartridge and weight. Verify seating depth, cartridge overall length, chamber fit and function, then test the finished load in the actual rifle and intended conditions.
No profile found for this bullet.
| Cartridge | Powder | Charge | Velocity | COAL | Source |
|---|---|---|---|---|---|
| .243 Winchester | H4831 | 40.0-43.5 gr | 2800-3000 fps | 2.710" | Sierra Manual |
| .243 Winchester | IMR 4451 | 38.0-41.0 gr | 2800-3000 fps | 2.710" | Barnes Manual |
| .243 Winchester | IMR 4350 | 38.5-41.5 gr | 2800-3000 fps | 2.710" | Hornady Handbook |
| 243 Win | IMR 4350 | 38.0-41.5 gr | 2900-3100 fps | 2.650" | Nosler Reloading Guide #9 |
| 243 Winchester | IMR 4831 | 39.0-41.5 gr | 2850-3000 fps | 2.710" | Hornady Manual |




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