Pistol projectile · Speer · Gold Dot Personal Protection · .45 ACP
Speer .451 200gr Gold Dot Personal Protection 4478
.45 ACP · 200 grain · Gold Dot Personal Protection
Estimates
Performance.
TheSpeer .451 200gr Gold Dot® Personal Protection 4478is a pistol projectile manufactured bySpeer. With a bullet diameter of 0.451 inches and weight of 200 grains, this projectile is designed for pistol applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Speer |
| Product Line | Gold Dot® Personal Protection |
| SKU | 4478 |
| Type | Pistol |
| Diameter | 0.451" |
| Weight | 200 grains |
| Ballistic Coefficient (G1) | 0.138 |
| Ballistic Coefficient (G7) | N/A |
| Sectional Density | 0.14 |
Performance Estimates
Based on typical load data for .45 ACP:
| Metric | Estimate |
|---|---|
| Muzzle Velocity | ~900 fps |
| Muzzle Energy | ~359.7 ft-lbs |
| Effective Range | ~50 yards |
Suitable Applications
This projectile is commonly used for: self-defense, target.
About the Ballistic Coefficient
The G1 ballistic coefficient of0.138indicates how well this projectile retains velocity in flight. A higher BC means better wind resistance and less drop at distance.
Sectional Density
With a sectional density of0.14, this projectile is suited for its intended application range.
Suitability
Suitable game.
Compatibility
Compatible cartridges.
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