9.3x74R Ammo
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9.3×74mmR (designated as the 9,3 x 74 R by the C.I.P.)is a medium-bore cartridge invented in Germany around 1900.
The 9.3×74mmR is of a rimmed, bottleneck design and uses a .366-inch (9.3 mm) diameter bullet, usually weighing 286-grain (18.5 g). According to Hornady, at this weight the velocity is 2,362.20 ft/s (720.00 m/s) and energy is 3,536 ft-lbf (4,794 J).
The cartridge is also a very popular chambering for double rifles in both side-by-side and over-and-under barrel configurations.
About: 9.3x74R
- Type: Big Game Cartridge
- Place of origin: Germany
- Designed: Circa 1900
Specifications
- Case type: Rimmed, Bottleneck
- Bullet diameter: 9.30 mm (0.366 in)
- Neck diameter: 9.92 mm (0.391 in)
- Shoulder diameter: 10.40 mm (0.409 in)
- Base diameter: 11.90 mm (0.469 in)
- Rim diameter: 13.35 mm (0.526 in)
- Rim thickness: 1.40 mm (0.055 in)
- Case length: 74.70 mm (2.941 in)
- Overall length: 94.50 mm (3.720 in)
- Case capacity: 5.39 cm3 (83.2 gr H2O)
- Rifling twist: 360 mm (1-14.2")
- Primer type: Large rifle
- Maximum pressure (C.I.P.): 340.00 MPa (49,313 psi)
Ballistic performance
| Bullet mass/type | Velocity | Energy |
|---|---|---|
| 230 gr (15 g) Norma Ecostrike | 2,559 ft/s (780 m/s) | 3,345 ft⋅lbf (4,535 J) |
| 247 gr (16 g) KS | 2,460 ft/s (750 m/s) | 3,319 ft⋅lbf (4,500 J) |
| 285 gr (18 g) Norma Oryx | 2,329 ft/s (710 m/s) | 3,434 ft⋅lbf (4,656 J) |
