Rifle projectile · Speer · Grand Slam Rifle · .284 / 7mm
Speer .284 175gr Grand Slam Rifle 1643
.284 / 7mm · 175 grain · Grand Slam Rifle
Estimates
Performance.
TheSpeer .284 175gr Grand Slam® Rifle 1643is a rifle projectile manufactured bySpeer. With a bullet diameter of 0.284 inches and weight of 175 grains, this projectile is designed for medium large game applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Speer |
| Product Line | Grand Slam® Rifle |
| SKU | 1643 |
| Type | Rifle |
| Diameter | 0.284" |
| Weight | 175 grains |
| Ballistic Coefficient (G1) | 0.465 |
| Ballistic Coefficient (G7) | N/A |
| Sectional Density | 0.31 |
Performance Estimates
Based on typical load data for .284 / 7mm:
| Metric | Estimate |
|---|---|
| Muzzle Velocity | ~2812 fps |
| Muzzle Energy | ~3072.1 ft-lbs |
| Effective Range | ~800 yards |
Suitable Applications
This projectile is commonly used for: deer, elk, moose, bear, sheep.
About the Ballistic Coefficient
The G1 ballistic coefficient of0.465indicates 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 of0.31, this projectile offers excellent penetration, making it ideal for larger game.
Suitability
Suitable game.
Compatibility
Compatible cartridges.
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