Mk 211 Mod 0 Raufoss HEIAP
- Cartridge
- .50 BMG
- Bullet weight
- 43.10 g
- Reference velocity
- 887 m/s
- Muzzle energy
- 16955 J
Specification
The load, and the figures its drawing is made from
IdentityWho makes it, and what it is for.
- Designation
- Mk 211 Mod 0
- Maker
- Nammo (Raufoss)
- Country of origin
- Norway
- Introduced
- 1981
- Military load
- Yes
- Widely available
- No
ProjectileThe figures the drawing and the solver start from.
- Bullet type
- HEIAP
- Cartridge
- .50 BMG
- Bullet diameter
- 12.98 mm
- Bullet weight
- 43.1 g (665.1 gr)
- Sectional density
- 0.364
- Ballistic coefficient (G1)
- 0.62
- Ballistic coefficient (G7)
- 0.34
- Reference velocity
- 887 m/s (2910 ft/s)
- Reference barrel
- 1143 mm
- Velocity retention exponent
- 0.12
Ballistics
Downrange, solved
Solved at the reference barrel of 1143 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
- 16955 J
- Effective range
- 546 m
- Momentum
- 38.23 kg m/s
- Taylor knockout factor
- 141.3
- Hatcher relative stopping power
- 2308
- Energy density
- 12813.1 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 | 887 m/s | 16955 J | 0 cm | 0 s | 2.59 |
| 50 m | 882 m/s | 16746 J | 1.6 cm | 0.057 s | 2.57 |
| 100 m | 876 m/s | 16538 J | 6.3 cm | 0.113 s | 2.55 |
| 200 m | 865 m/s | 16124 J | 25.6 cm | 0.228 s | 2.52 |
| 300 m | 854 m/s | 15713 J | 58.3 cm | 0.345 s | 2.49 |
| 400 m | 843 m/s | 15305 J | 104.9 cm | 0.463 s | 2.46 |
| 500 m | 831 m/s | 14899 J | 166.2 cm | 0.582 s | 2.42 |
| 600 m | 820 m/s | 14496 J | 242.5 cm | 0.703 s | 2.39 |
| 800 m | 797 m/s | 13695 J | 443.1 cm | 0.95 s | 2.32 |
| 1000 m | 774 m/s | 12901 J | 712.3 cm | 1.205 s | 2.26 |
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/mk211-raufoss' \ --header 'X-API-Key: your_key'