Škoda A7

The primary user of the A7 was the Wehrmacht during World War II where the weapon went by the name Kampfwagenkanone 38(t).

• Is Artillery — yes • Name — 3.7cm ÚV vz. 38 (Škoda A7) • Type — Tank gun • Origin — Czechoslovakia • Service — 1938 to 1945 • Used By — Czechoslovakia Nazi Germany Hungary Iran Romania • Wars — World War II • Caliber — 37.2 mm • Part Length — 1.769 m L/47.8 • Carriage — Turret • Weight — 275kg (606 pounds) • Cartridge — Fixed QF 37 x 268 mm R APCBC, APCR, HE • Velocity — 762 m/s • Range — 1500 m • Rate — 15–20 rpm

In German service, in addition to conventional high explosive ammunition, the weapon fired two anti-tank rounds. The primary round the Panzergranate Pzgr.(t) umg. armor-piercing capped ballistic cap (APCBC), was ineffective at 2000 m and beyond. The rarer tungsten Panzergranate 40 armor-piercing composite rigid (APCR), was ineffective at 1000 m and beyond.: Armor penetration table • Range — Contact angle 30° • APCBC • 100 m — 42 mm • 500 m — 33 mm • 1000 m — 23 mm • 1500 m — 17 mm • APCR • 100 m — 59 mm • 500 m — 36 mm • 1000 m — 20 mm Calculated penetration (at 90 degrees) using American and British 50% success criteria. • Ammunition type — Muzzle velocity||colspan=10|Penetration • 100 m — 500 m — 1000 m — 1500 m • Pzgr.34 APC — 741 m/s • Pzgr. 40 APCR — 1,020 m/s — 47 mm — 8 mm