• Source: B-11 recoilless rifle

The B-11 recoilless rifle (It is also known as RG107) is a Soviet 107 mm smoothbore recoilless gun. It entered service in 1954, and was typically towed by a 6x6 ZIL-157 truck or a UAZ 4x4 truck.
Designed by KB Mashinostroyeniya (KBM), Kolomna.
It is fitted using a PBO-4 sight which has a 5.5x zoom direct fire sight and a 2.5x zoom sight for indirect fire.




Specifications



Crew: 5
Calibre: 107 mm (4.21 in)
Weight: 304.8 kg (672 lb)
Length: 3.56 m (11.67 ft) (travel position)
Barrel length: 3.383 m (11 ft)
Height: 1.19 m (3.90 ft) (firing position). 0.9 m (3 ft) (travel)
Traverse: 35 degrees in each direction
Elevation: -10/+45
Rate of fire: 6 rounds per minute




Ammunition


BK-883 - HEAT. Projectile 7.51 kg (16.5 lb). Complete round 12.5 kg (27.5 lb). Warhead 1.06 kg (2.3 lb) of RDX/Aluminium. GK-2 PIBD fuze. Range: 450 m (490 yd) (effective) 1,400 m (1,530 yd) (max). Penetration 381 mm (15 in). Muzzle velocity
O-883A - FRAG-HE. Projectile 8.5 kg (19 lb). Complete round 13.5 kg (30 lb). Warhead 2.088 kg (4.6 lb) Amatol 80/20. GK-2 PIBD fuze. Muzzle velocity: 375 m/s (1,230 ft/s). Range: 1,300 m (1,420 yd) (direct) 6,650 m (7,270 yd) (indirect)




Users


Current users

Algeria: 60 as of 2016
Angola
Cambodia
Ethiopia
Iran
Laos
North Korea
Syria
Vietnam
Former users

Soviet Union
Bulgaria
China
East Germany
Egypt
Indonesia
Iraq
Nigeria: some used during Biafran War
North Vietnam
Poland
Somalia
Romania




See also


B-10 recoilless rifle




References


International Institute for Strategic Studies (February 2016). The Military Balance 2016. Vol. 116. Routlegde. ISBN 9781857438352.




External links



https://web.archive.org/web/20110911042921/http://www.bratishka.ru/archiv/2004/7/2004_7_8.php (in Russian)

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