76 mm air defense gun M1938

76 mm air defense gun M1938
Breech		Semi-automatic vertical sliding-wedge
Recoil	Hydro-pneumatic
Carriage	Four-wheeled dual-axle trailer with twin outriggers.
Elevation	-3° to +82°
Traverse	360°[1]
Rate of fire	10-20 rounds per minute
Muzzle velocity	815 m/s (2,670 ft/s)
Maximum firing range	9.3 km (31,000 ft) AA ceiling[1]

76 mm air defense gun M1938 (

air defense gun, developed in 1939.

The 85 mm gun was chosen for mass production by the Soviet authorities and tooling was switched from the 76.2 mm AD guns, to the 85 mm gun. As a result of this decision, the total number of M1938 AD guns, delivered to the

and were gradually replaced by the more powerful 52-Ks.

Guns captured by the Germans were given the designation 7.62 cm Flak M.38(r) and were used unmodified until their ammunition supply ran out. When their ammunition supply ran out they were rebored to fire German 8.8 cm ammunition and their designation was changed to 7.62/8.8 cm Flak M.38(r) and remained in use until the end of the war.

The external appearance of the 76 mm and 85 mm AD guns is very close; the two types can be differentiated by their muzzle brake, the larger gun possessing the larger muzzle brake.

References

• Shunkov, V. N. (1999). Оружие Красной Армии [The Weapons of the Red Army] (in Russian). Harvest.
  ISBN 985-433-469-4
  .