9.3×74mm R (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]

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.^{[citation needed]} Outside Europe, Ruger formerly produced the Ruger No. 1 falling-block rifle in this cartridge, but have currently discontinued production of any rifles in this caliber.^[4]

The cartridge is also a very popular chambering for double rifles and combination guns, including the famous M30 Luftwaffe Drilling manufactured by J.P. Sauer & Sohn. It was primarily used by downed German pilots as a survival weapon for hunting and self-defense purposes, while serving in the North African campaign during World War II.^{[citation needed]}

• 9.3×64mm Brenneke
• List of rimmed cartridges
• List of rifle cartridges
• 9 mm caliber
• Table of handgun and rifle cartridges

• A Most Marvelous Metric - The 9.3mm holds the light heavyweight crown among European bore sizes and should be more popular stateside than it is - by Craig Boddington Archived 2009-02-28 at the Wayback Machine
• Jagen Weltweit, 9,3x74 R by Norbert Klups (in German)
• C.I.P. TDCC sheet 9,3 x 74 R