7.92×107mm DS

7.92×107mm DS
TypeAnti-tank rifle
Place of originPoland
Production history
DesignerLt. Colonel Tadeusz Felsztyn
Designed1931
Specifications
Parent case7.92×57mm Mauser
Case typeRimless, bottleneck
Bullet diameter8.18 mm (0.322 in)
Neck diameter9.23 mm (0.363 in)
Shoulder diameter13.15 mm (0.518 in)
Base diameter16.39 mm (0.645 in)
Rim diameter16.36 mm (0.644 in)
Case length107.18 mm (4.220 in)
Overall length132 mm (5.2 in)
Ballistic performance
Bullet mass/type Velocity Energy
14.6 g (225 gr) 1,275 m/s (4,180 ft/s) 11,850 J (8,740 ft⋅lbf)

The 7.92×107mm DS was a Polish 7.92 mm anti-tank ammunition designed specifically for use with the karabin przeciwpancerny wz.35 anti-tank rifle. It was based on a standard 7.92×57mm Mauser cartridge, but was much longer (107 mm as opposed to the 57 mm of the Mauser cartridge) and was modified to provide higher muzzle velocity and hence greater penetrating power.

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