Federal HST Micro 99gr JHP
- Cartridge
- .380 ACP
- Bullet weight
- 6.41 g
- Reference velocity
- 311 m/s
- Muzzle energy
- 310 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- P380HST1S
- Maker
- Federal Premium
- Country of origin
- United States
- Introduced
- 2014
- Military load
- No
- Widely available
- Yes
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- JHP
- Cartridge
- .380 ACP
- Bullet diameter
- 9.02 mm
- Bullet weight
- 6.41 g (98.9 gr)
- Sectional density
- 0.114
- Ballistic coefficient (G1)
- 0.12
- Reference velocity
- 311 m/s (1020 ft/s)
- Reference barrel
- 89 mm
- Velocity retention exponent
- 0.25
Ballistics
Downrange, solved
Solved at the reference barrel of 89 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
- 310 J
- Effective range
- 167 m
- Momentum
- 1.99 kg m/s
- Taylor knockout factor
- 4.3
- Hatcher relative stopping power
- 16
- Energy density
- 679.7 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 | 311 m/s | 310 J | 0 cm | 0 s | 0.91 |
| 50 m | 279 m/s | 249 J | 14.2 cm | 0.17 s | 0.81 |
| 100 m | 255 m/s | 209 J | 62.9 cm | 0.358 s | 0.74 |
| 200 m | 217 m/s | 151 J | 301.3 cm | 0.784 s | 0.63 |
| 300 m | 187 m/s | 112 J | 803.9 cm | 1.28 s | 0.55 |
| 400 m | 162 m/s | 84 J | 1688.6 cm | 1.855 s | 0.47 |
| 500 m | 139 m/s | 62 J | 3122.2 cm | 2.523 s | 0.41 |
| 600 m | 119 m/s | 45 J | 5343.3 cm | 3.301 s | 0.35 |
| 800 m | 86 m/s | 24 J | 13667.2 cm | 5.279 s | 0.25 |
| 1000 m | 62 m/s | 12 J | 31641.7 cm | 8.032 s | 0.18 |
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-micro-99' \ --header 'X-API-Key: your_key'