13.2×92mmSR

13.2 × 92 mm SR
Comparison of British .303 (left) and German 13.2 mm Tuf (right).
TypeAnti-tank rifle
Heavy machine gun
Place of originGerman Empire
Service history
In service1918–1919
WarsWorld War I
Production history
Designed1917
Specifications
Bullet diameter13.2 mm (0.525 in)
Neck diameter14.6 mm (0.57 in)
Shoulder diameter19.1 mm (0.75 in)
Base diameter20.9 mm (0.82 in)
Rim diameter23.1 mm (0.91 in)
Case length91.3 mm (3.59 in)
Overall length132.6 mm (5.22 in)
Ballistic performance
Bullet mass/type Velocity Energy
51.5 g (795 gr) Solid 785 m/s (2,580 ft/s) 15,868 J (11,704 ft⋅lbf)
Test barrel length: 39"

The 13.2 × 92 mm SR, also known as Mauser 13.2 mm TuF (German: Tank und Flieger; literally "tank and aircraft", historical military designation), is a semi-rimmed rifle and machine gun cartridge developed by the German Empire for anti-tank and anti-aircraft use which was introduced during World War I. The cartridge was a major step in the development of anti-tank cartridges, being the first one designed for the sole purpose of destroying armored targets.

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