Rifle projectile · Speer · Grand Slam Rifle · .257 / 25 Cal
Speer .257 120gr Grand Slam Rifle 1415
.257 / 25 Cal · 120 grain · Grand Slam Rifle
Estimates
Performance.
TheSpeer .257 120gr Grand Slam® Rifle 1415is a rifle projectile manufactured bySpeer. With a bullet diameter of 0.257 inches and weight of 120 grains, this projectile is designed for medium game applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Speer |
| Product Line | Grand Slam® Rifle |
| SKU | 1415 |
| Type | Rifle |
| Diameter | 0.257" |
| Weight | 120 grains |
| Ballistic Coefficient (G1) | 0.328 |
| Ballistic Coefficient (G7) | N/A |
| Sectional Density | 0.26 |
Performance Estimates
Based on typical load data for .257 / 25 Cal:
| Metric | Estimate |
|---|---|
| Muzzle Velocity | ~3020 fps |
| Muzzle Energy | ~2429.7 ft-lbs |
| Effective Range | ~500 yards |
Suitable Applications
This projectile is commonly used for: deer, antelope, sheep.
About the Ballistic Coefficient
The G1 ballistic coefficient of0.328indicates how well this projectile retains velocity in flight. A higher BC means better wind resistance and less drop at distance. This projectile offers good performance at typical hunting distances.
Sectional Density
With a sectional density of0.26, this projectile provides good penetration for medium game.
Suitability
Suitable game.
Compatibility
Compatible cartridges.
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