M67 Ball
- Cartridge
- 7.62x39mm
- Bullet weight
- 7.97 g
- Reference velocity
- 720 m/s
- Muzzle energy
- 2066 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- M67
- Maker
- PPU
- Country of origin
- Yugoslavia
- Introduced
- 1967
- Military load
- Yes
- Widely available
- Yes
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- FMJ
- Cartridge
- 7.62x39mm
- Bullet diameter
- 7.92 mm
- Bullet weight
- 7.97 g (123.0 gr)
- Sectional density
- 0.181
- Ballistic coefficient (G1)
- 0.29
- Ballistic coefficient (G7)
- 0.145
- Reference velocity
- 720 m/s (2362 ft/s)
- Reference barrel
- 415 mm
- Velocity retention exponent
- 0.19
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
- 2066 J
- Effective range
- 416 m
- Momentum
- 5.74 kg m/s
- Taylor knockout factor
- 12.9
- Hatcher relative stopping power
- 105
- Energy density
- 4193.3 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 | 720 m/s | 2066 J | 0 cm | 0 s | 2.10 |
| 50 m | 705 m/s | 1981 J | 2.4 cm | 0.07 s | 2.06 |
| 100 m | 690 m/s | 1896 J | 9.9 cm | 0.142 s | 2.01 |
| 200 m | 658 m/s | 1725 J | 41.3 cm | 0.29 s | 1.92 |
| 300 m | 624 m/s | 1553 J | 97.7 cm | 0.446 s | 1.82 |
| 400 m | 588 m/s | 1379 J | 183.2 cm | 0.611 s | 1.72 |
| 500 m | 549 m/s | 1202 J | 303.8 cm | 0.787 s | 1.60 |
| 600 m | 505 m/s | 1018 J | 467.7 cm | 0.977 s | 1.47 |
| 800 m | 392 m/s | 611 J | 990 cm | 1.421 s | 1.14 |
| 1000 m | 295 m/s | 346 J | 2020.6 cm | 2.03 s | 0.86 |
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/m67' \ --header 'X-API-Key: your_key'