Speer Gold Dot 180gr JHP
- Cartridge
- .40 S&W
- Bullet weight
- 11.66 g
- Reference velocity
- 291 m/s
- Muzzle energy
- 494 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- 53962
- Maker
- Speer
- Country of origin
- United States
- Introduced
- 1998
- Military load
- No
- Widely available
- Yes
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- JHP
- Cartridge
- .40 S&W
- Bullet diameter
- 10.16 mm
- Bullet weight
- 11.66 g (179.9 gr)
- Sectional density
- 0.161
- Ballistic coefficient (G1)
- 0.124
- Reference velocity
- 291 m/s (955 ft/s)
- Reference barrel
- 102 mm
- Velocity retention exponent
- 0.29
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
- 494 J
- Effective range
- 161 m
- Momentum
- 3.39 kg m/s
- Taylor knockout factor
- 7.4
- Hatcher relative stopping power
- 26
- Energy density
- 1082.6 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 | 291 m/s | 494 J | 0 cm | 0 s | 0.85 |
| 50 m | 265 m/s | 411 J | 15.9 cm | 0.18 s | 0.77 |
| 100 m | 245 m/s | 349 J | 69.5 cm | 0.377 s | 0.71 |
| 200 m | 210 m/s | 257 J | 328.5 cm | 0.818 s | 0.61 |
| 300 m | 182 m/s | 194 J | 867.6 cm | 1.33 s | 0.53 |
| 400 m | 158 m/s | 145 J | 1808 cm | 1.92 s | 0.46 |
| 500 m | 136 m/s | 109 J | 3319.8 cm | 2.602 s | 0.40 |
| 600 m | 117 m/s | 80 J | 5643.6 cm | 3.392 s | 0.34 |
| 800 m | 86 m/s | 43 J | 14240.7 cm | 5.388 s | 0.25 |
| 1000 m | 62 m/s | 22 J | 32481.4 cm | 8.138 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/speer-gold-dot-180' \ --header 'X-API-Key: your_key'