76 mm air defense gun M1938

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76 mm air defense gun M1938
76-mm M1938
Type	Air defense gun
Place of origin	Soviet Union
Production history
Produced	1938-1940
Specifications
Mass	Travel: 4,210 kg (9,280 lb) Combat: 3,650 kg (8,050 lb)
Barrel length	4.1 m (13 ft 5 in) L/55
Crew	10^[1]

Shell	Fixed QF 76.2 × 558 mm. R
Shell weight	6.6 kg (14 lb 9 oz)
Caliber	76.2 mm (3 in)
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 (Russian: 76-мм зенитная пушка обр. 1938 г.) was a 76.2 mm (3 inch) Soviet air defense gun, created by Soviet artillery designer M.N.Loginov. This gun was a modernized version of the 76 mm air defense gun M1931, with a slightly modernized barrel and a completely new two-axle carriage ZU-8. This carriage was also used for the more powerful 85 mm 52-K 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 Red Army, was relatively small. These guns were used in the first stages of the German-Soviet War 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

^ ^a ^b ^c Chamberlain, Peter; Gander, Terry (1975). Anti-aircraft guns. New York: Arco Pub. Co. p. 62. ISBN 0668038187. OCLC 2000222.

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

v t e Soviet artillery of World War II (naming convention)
Anti-tank guns	37 mm anti-tank gun M1930 (1-K) 45 mm anti-tank gun M1932 (19-K) 45 mm anti-tank gun M1937 (53-K) 45 mm anti-tank gun M1942 (M-42) 57 mm anti-tank gun M1943 (ZiS-2) 100 mm field gun M1944 (BS-3) 100 mm D-10 tank gun
Mountain guns	76 mm mountain gun M1909 (76-09) 76 mm mountain gun M1938
Regimental guns	76 mm regimental gun M1927 76 mm regimental gun M1943 (OB-25)
Divisional guns	76 mm divisional gun M1902/30 76 mm divisional gun M1933 76 mm divisional gun M1936 (F-22) 76 mm divisional gun M1939 (USV) 76 mm divisional gun M1942 (ZiS-3) 85 mm divisional gun D-44 107 mm divisional gun M1940 (M-60) 122 mm howitzer M1909/37 122 mm howitzer M1910/30 122 mm howitzer M1938 (M-30) 152 mm mortar M1931 (NM)
Corps and army level guns	107 mm gun M1910/30 122 mm gun M1931 (A-19) 122 mm gun M1931/37 (A-19) 152 mm howitzer M1909/30 152 mm gun M1910/30 152 mm gun M1910/34 152 mm howitzer M1910/37 152 mm howitzer M1938 (M-10) 152 mm howitzer M1943 (D-1) 152 mm howitzer-gun M1937 (ML-20)
Very heavy guns	152 mm gun M1935 (Br-2) 203 mm howitzer M1931 (B-4) 210 mm gun M1939 (Br-17) 280 mm howitzer M1914/15 280 mm mortar M1939 (Br-5) 305 mm howitzer M1939 (Br-18)
Air defense guns	25 mm automatic air defense gun M1940 (72-K) 37 mm automatic air defense gun M1939 (61-K) 45 mm anti-aircraft gun (21-K) 76 mm air defense gun M1931 76 mm air defense gun M1938 85 mm air defense gun M1939 (52-K)

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