76 mm air defense gun M1938 (Russian: 76-мм зенитная пушка обр.

This carriage was also used for the more powerful 85 mm 52-K air defense gun, developed in 1939.

As a result of this decision, the total number of M1938 AD guns, delivered to the Red Army, was relatively small.

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.

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.