Winchester USA White Box 230gr FMJ
- Cartridge
- .45 ACP
- Bullet weight
- 14.90 g
- Reference velocity
- 259 m/s
- Muzzle energy
- 500 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- USA45W
- Maker
- Winchester
- Country of origin
- United States
- Introduced
- 1990
- Military load
- No
- Widely available
- Yes
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- FMJ
- Cartridge
- .45 ACP
- Bullet diameter
- 11.48 mm
- Bullet weight
- 14.9 g (229.9 gr)
- Sectional density
- 0.162
- Ballistic coefficient (G1)
- 0.19
- Reference velocity
- 259 m/s (850 ft/s)
- Reference barrel
- 127 mm
- Velocity retention exponent
- 0.27
Ballistics
Downrange, solved
Solved at the reference barrel of 127 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
- 500 J
- Effective range
- 152 m
- Momentum
- 3.86 kg m/s
- Taylor knockout factor
- 12.6
- Hatcher relative stopping power
- 53
- Energy density
- 487.0 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 | 259 m/s | 500 J | 0 cm | 0 s | 0.76 |
| 50 m | 246 m/s | 450 J | 19.3 cm | 0.198 s | 0.72 |
| 100 m | 234 m/s | 406 J | 81.2 cm | 0.407 s | 0.68 |
| 200 m | 212 m/s | 334 J | 360.5 cm | 0.857 s | 0.62 |
| 300 m | 193 m/s | 277 J | 897.6 cm | 1.353 s | 0.56 |
| 400 m | 176 m/s | 230 J | 1764.1 cm | 1.896 s | 0.51 |
| 500 m | 160 m/s | 191 J | 3049 cm | 2.493 s | 0.47 |
| 600 m | 146 m/s | 158 J | 4863.4 cm | 3.149 s | 0.42 |
| 800 m | 120 m/s | 107 J | 10675.1 cm | 4.665 s | 0.35 |
| 1000 m | 98 m/s | 72 J | 20808.3 cm | 6.513 s | 0.29 |
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/winchester-white-box-230' \ --header 'X-API-Key: your_key'