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76 mm regimental gun M1927

Field	Value
name	76 mm regimental gun M1927
image	Regimental gun 76mm 1927 Moscow 4.jpg
image_size	300
caption	76-mm regimental gun model 1927 in the Central Armed Forces Museum, Moscow, Russia
type	Infantry support gun
origin	Soviet Union
is_artillery	yes
used_by	Soviet Union
Nazi Germany
Finland
wars	Winter War
World War II
production_date	1928–1943
number	18,116
weight	780 kg
length	3.5 m
part_length	1.25 m L/16.4
width	1.7 m
height	1.3 m
cartridge	Fixed QF 76.2 x 167mm R
cartridge_weight	6.2 kg
caliber	76.2 mm (3 in)
rate	10 - 12 rpm
velocity	387 m/s
max_range	4.2 km (2.6 mi)
breech	interrupted screw
carriage	Pole trail
elevation	-6° to 25°
traverse	6°

Nazi Germany Finland World War II

The 76 mm regimental gun M1927 (****) was a Soviet infantry support gun.

The gun was developed in 1927 by the design bureau of Orudiyno-Arsenalny Trest (OAT) and entered production in 1928. A total of 18,116 pieces were built. On June 22, 1941, the Red Army had 4,708 of these guns. In 1943 the gun was replaced in production by the 76 mm regimental gun M1943, but remained in service until the end of the war. The Germans placed captured guns into service as the 7.62 cm Infanteriekanonenhaubitze 290(r) (infantry gun-howitzer), while in the Finnish army they were known as 76 RK/27.

The gun was intended for destruction of light field fortifications and openly placed personnel by direct fire similarly to how 7.7 cm Infanteriegeschütz L/27 with similar weight and ballistics was used by German troops in WWI. HEAT shell gave it limited anti-tank capabilities. It was chambered for the same shell size as 76.2mm divisional guns, but with a reduced propellant charge. Since firing higher-power divisional gun ammunition could damage the gun, the shell flange was modified so that divisional gun ammunition couldn't be loaded into the chamber of the regimental gun.

The M1927 was issued to rifle and cavalry regiments of the Red Army. Artillery battalion of rifle brigade included one battery of M1927. Some guns were used by anti-tank artillery battalions.

Ammunition

Ammunition types:
- Fragmentation-HE: OF-350.
- Fragmentation: O-350A.
- HEAT: BP-350M.
Projectile weight:
- OF-350: 6.2 kg
Muzzle velocity:
- OF-350, O-350A: 262 m/s
- BP-350M: 311 m/s
Effective range:
- OF-350, O-350A: 4200 m
- BP-350M: 1000 m

76 mm regimental gun M1943

An M1927 gun crew firing at German positions during the Battle of the Caucasus, September 1942

The M1943 used a modernized barrel from the 76 mm regimental gun M1927 and the split-trail carriage from the 45 mm anti-tank gun M1942 (M-42).

Self-Propelled Guns

SU-12 - The M1927 was mounted on a shielded pedestal mount on a modified GAZ-AAA truck, and was in production from 1933 to 1935.
SU-26 - The M1927 was mounted on a pedestal mount with a triangular shield on the chassis of the T-26 tank.

Tank Guns

A variant of the M1927 with recoil length reduced from 90 cm to 50 cm was designated the 76 mm tank gun model 1927/32 (KT-28).

The 76 mm KT was installed in these Soviet tanks:

BT-7A - The 76 mm KT was installed in a new turret on the chassis of the BT-7.
T-26-4 - The 76 mm KT was installed in a new turret on the chassis of the T-26 .
T-28 - The primary turret of early versions of the T-28 was armed with a 76 mm KT.
T-35 - The primary turret was armed with a 76 mm KT.

Bunker guns

The Soviets had also developed version of this gun for bunkers, the Finns called it 76 K/27-k. Finnish Army captured 13 bunker-version guns and reinstalled them to Finnish bunkers. Eight of those guns were lost in summer of 1944.

Gallery

File:76 mm M1943 MWP 03.jpg|A M1943 at the Polish Army Museum in Warsaw. File:САУ СУ-12.jpg|A SU-12 after maneuvers. Kiev Military District, 45th Mechanized Corps. Autumn 1933. File:СУ-26 в Музее отечественной военной истории.jpg|A SU-26 in the Museum of Russian Military History. File:BT-7A (10).jpg|A BT-7A which is currently at Patriot Park near Moscow. File:T-26 tank with A-43 turret.jpg|An early T-26 tank with A-43 turret. File:Parad v Orle 1930.jpg|T-28 tanks in a military parade in Orel in the late 1930s. File:T-35 model 1935.jpg|A captured T-35. File:Bunker gun 76K27K p1.jpg|Side view of the 76 K/27-k File:Bunker gun 76K27K p2.jpg|Front view of the 76 K/27-k

References

Shirokorad. Alexander. (2000). Kharvest
Chamberlain, Peter. (1975). "Infantry, mountain, and airborne guns". Arco.
"76 RK/27 and 76 RK/27-39 | Infantry Guns & Mountain Guns".
"76-мм полковая пушка обр. 1927 г".
Kolomiets, Maksim. (2007). "T-26 : ti︠a︡zhelai︠a︡ sudʹba legkogo tanka". IAuza.

Info: Wikipedia Source

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