7N23 BP
- Cartridge
- 7.62x39mm
- Bullet weight
- 7.90 g
- Reference velocity
- 735 m/s
- Muzzle energy
- 2134 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- 7N23
- Maker
- Various
- Country of origin
- Russia
- Introduced
- 2002
- Military load
- Yes
- Widely available
- No
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- AP
- Cartridge
- 7.62x39mm
- Bullet diameter
- 7.92 mm
- Bullet weight
- 7.9 g (121.9 gr)
- Sectional density
- 0.18
- Ballistic coefficient (G1)
- 0.295
- Ballistic coefficient (G7)
- 0.148
- Reference velocity
- 735 m/s (2411 ft/s)
- Reference barrel
- 415 mm
- Velocity retention exponent
- 0.18
Ballistics
Downrange, solved
Solved at the reference barrel of 415 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
- 2134 J
- Effective range
- 426 m
- Momentum
- 5.81 kg m/s
- Taylor knockout factor
- 13.1
- Hatcher relative stopping power
- 108
- Energy density
- 4331.4 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 | 735 m/s | 2134 J | 0 cm | 0 s | 2.14 |
| 50 m | 721 m/s | 2051 J | 2.3 cm | 0.069 s | 2.10 |
| 100 m | 706 m/s | 1969 J | 9.4 cm | 0.139 s | 2.06 |
| 200 m | 676 m/s | 1803 J | 39.4 cm | 0.284 s | 1.97 |
| 300 m | 644 m/s | 1637 J | 92.9 cm | 0.435 s | 1.88 |
| 400 m | 610 m/s | 1470 J | 173.4 cm | 0.595 s | 1.78 |
| 500 m | 574 m/s | 1300 J | 286 cm | 0.764 s | 1.67 |
| 600 m | 534 m/s | 1125 J | 437.2 cm | 0.944 s | 1.56 |
| 800 m | 436 m/s | 751 J | 901.6 cm | 1.356 s | 1.27 |
| 1000 m | 313 m/s | 387 J | 1776.8 cm | 1.903 s | 0.91 |
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/7n23' \ --header 'X-API-Key: your_key'