Federal HST 154gr JHP
- Cartridge
- .357 Magnum
- Bullet weight
- 9.98 g
- Reference velocity
- 408 m/s
- Muzzle energy
- 831 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- P357HST1S
- Maker
- Federal Premium
- Country of origin
- United States
- Introduced
- 2022
- Military load
- No
- Widely available
- Yes
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- JHP
- Cartridge
- .357 Magnum
- Bullet diameter
- 9.07 mm
- Bullet weight
- 9.98 g (154.0 gr)
- Sectional density
- 0.172
- Ballistic coefficient (G1)
- 0.164
- Reference velocity
- 408 m/s (1339 ft/s)
- Reference barrel
- 102 mm
- Velocity retention exponent
- 0.3
Ballistics
Downrange, solved
Solved at the reference barrel of 102 mm from the G1 coefficient and the load's velocity retention. A different barrel gives a different curve.
At the muzzle
What leaves the barrel
MuzzleThe solver’s figures at the reference barrel, where the curve starts.
- Muzzle energy
- 831 J
- Effective range
- 203 m
- Momentum
- 4.07 kg m/s
- Taylor knockout factor
- 8.8
- Hatcher relative stopping power
- 43
- Energy density
- 1821.5 J/cm²
Downrange
Point by point
The same solution as the chart, at each distance the solver reports.
| Distance | Velocity | Energy | Drop | Time of flight | Mach |
|---|---|---|---|---|---|
| 0 m | 408 m/s | 831 J | 0 cm | 0 s | 1.19 |
| 50 m | 358 m/s | 640 J | 8.4 cm | 0.131 s | 1.04 |
| 100 m | 315 m/s | 495 J | 38.5 cm | 0.28 s | 0.92 |
| 200 m | 269 m/s | 362 J | 192 cm | 0.626 s | 0.79 |
| 300 m | 238 m/s | 283 J | 511.3 cm | 1.021 s | 0.69 |
| 400 m | 212 m/s | 225 J | 1054 cm | 1.466 s | 0.62 |
| 500 m | 191 m/s | 181 J | 1890.4 cm | 1.963 s | 0.56 |
| 600 m | 171 m/s | 146 J | 3107.2 cm | 2.517 s | 0.50 |
| 800 m | 137 m/s | 94 J | 7166.5 cm | 3.822 s | 0.40 |
| 1000 m | 109 m/s | 60 J | 14597.4 cm | 5.455 s | 0.32 |
API
The call that returns this record
The same fields, in the same units, from the same endpoint the page reads.
curl --request GET \ --url 'https://api.gunspec.io/v1/ammunition/federal-hst-154' \ --header 'X-API-Key: your_key'