9.3×74mmR

9.3×74mmR (designated as the 9,3 x 74 R by the C.I.P.)[2] is a medium-bore cartridge designed in Germany around 1900.[3]

9.3×74mmR
9.3×74mmR cartridge case
TypeBig Game Cartridge
Place of originGermany
Production history
Designedc. 1900 (1900)
Specifications
Case typeRimmed, Bottleneck
Bullet diameter9.30 mm (0.366 in)
Neck diameter9.92 mm (0.391 in)
Shoulder diameter10.40 mm (0.409 in)
Base diameter11.90 mm (0.469 in)
Rim diameter13.35 mm (0.526 in)
Rim thickness1.40 mm (0.055 in)
Case length74.70 mm (2.941 in)
Overall length94.50 mm (3.720 in)
Case capacity5.39 cm3 (83.2 gr H2O)
Rifling twist360 mm (1-14.2")
Primer typeLarge 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)
Test barrel length: 610 millimetres (24 in)
Source(s): Norma[1]

Design
9.3×74mmR cartridges

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). This cartridge is used for hunting medium to large game animals and is very popular in Europe for wild boar. It remains a popular cartridge for African safari hunting in countries with more German influence like Namibia, favored as a continental alternative to the more popular .375 H&H Magnum.[4] Outside Europe, Ruger still produces rifles in this cartridge, notably the Ruger No. 1 falling-block rifle.[5]

The cartridge is also a very popular chambering for double rifles both in side-by-side and over-and-under barrel configurations .

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See also

References
  1. 9.3x74mmR data from Norma
  2. Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives, "9,3 × 74 R Archived 2018-12-15 at the Wayback Machine", www.cip-bobp.org/en/tdcc, retrieved 15 December 2018.
  3. 9.3x74mmR: An Under-Sung Hero Archived 2008-08-27 at the Wayback Machine by Terry Wieland, African Sporting Gazette
  4. The 9.3x74R by Chuck Hawks
  5. Single Shot rifles at Ruger web site
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