Federal American Eagle 180gr FMJ
- Cartridge
- .40 S&W
- Bullet weight
- 11.66 g
- Reference velocity
- 305 m/s
- Muzzle energy
- 542 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- AE40R1
- Maker
- Federal Premium
- Country of origin
- United States
- Introduced
- 1997
- Military load
- No
- Widely available
- Yes
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- FMJ
- Cartridge
- .40 S&W
- Bullet diameter
- 10.16 mm
- Bullet weight
- 11.66 g (179.9 gr)
- Sectional density
- 0.161
- Ballistic coefficient (G1)
- 0.142
- Reference velocity
- 305 m/s (1001 ft/s)
- Reference barrel
- 102 mm
- Velocity retention exponent
- 0.26
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
- 542 J
- Effective range
- 169 m
- Momentum
- 3.56 kg m/s
- Taylor knockout factor
- 7.7
- Hatcher relative stopping power
- 25
- Energy density
- 1189.2 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 | 305 m/s | 542 J | 0 cm | 0 s | 0.89 |
| 50 m | 279 m/s | 453 J | 14.5 cm | 0.172 s | 0.81 |
| 100 m | 259 m/s | 390 J | 63 cm | 0.358 s | 0.75 |
| 200 m | 225 m/s | 296 J | 293.2 cm | 0.773 s | 0.66 |
| 300 m | 198 m/s | 229 J | 762.7 cm | 1.247 s | 0.58 |
| 400 m | 175 m/s | 179 J | 1561 cm | 1.784 s | 0.51 |
| 500 m | 154 m/s | 139 J | 2806.9 cm | 2.392 s | 0.45 |
| 600 m | 136 m/s | 108 J | 4660.6 cm | 3.082 s | 0.40 |
| 800 m | 104 m/s | 63 J | 11137.3 cm | 4.765 s | 0.30 |
| 1000 m | 79 m/s | 36 J | 23843 cm | 6.972 s | 0.23 |
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-ae-180fmj' \ --header 'X-API-Key: your_key'