Rifle projectile · Speer · Boat-Tail Rifle · .243 / 6mm
Speer .243 100gr Boat-Tail Rifle 1220
.243 / 6mm · 100 grain · Boat-Tail Rifle
Estimates
Performance.
TheSpeer .243 100gr Boat-Tail Rifle 1220is a rifle projectile manufactured bySpeer. With a bullet diameter of 0.243 inches and weight of 100 grains, this projectile is designed for medium game applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Speer |
| Product Line | Boat-Tail Rifle |
| SKU | 1220 |
| Type | Rifle |
| Diameter | 0.243" |
| Weight | 100 grains |
| Ballistic Coefficient (G1) | 0.446 |
| Ballistic Coefficient (G7) | N/A |
| Sectional Density | 0.242 |
Performance Estimates
Based on typical load data for .243 / 6mm:
| Metric | Estimate |
|---|---|
| Muzzle Velocity | ~3140 fps |
| Muzzle Energy | ~2188.9 ft-lbs |
| Effective Range | ~600 yards |
Suitable Applications
This projectile is commonly used for: deer, antelope, varmint.
About the Ballistic Coefficient
The G1 ballistic coefficient of0.446indicates 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 of0.242, this projectile provides good penetration for medium game.
Suitability
Suitable game.
Compatibility
Compatible cartridges.
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