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B-11 recoilless rifle

Soviet recoilless gun

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The B-11 recoilless rifle (It is also known as RG107)^[1] is a Soviet 107 mmsmoothbore recoilless gun. It entered service in 1954,^[2] and was typically towed by a 6x6 ZIL-157 truck or a UAZ 4x4 truck.^[3][4]

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.

• 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

• 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)

Current users

•  Algeria: 60 as of 2016^[update][5]
•  Angola^[6]
•  Cambodia^[7]
•  Ethiopia^[8]
•  Iran^[9]
•  Laos^[10]
•  North Korea
•  Syria
•  Vietnam

Former users

•  Soviet Union
•  Bulgaria
•  China
•  East Germany
•  Egypt^[11]
•  Indonesia^[12]
•  Iraq^[13]
•  Nigeria: some used during Biafran War^[14]
•  North Vietnam^[15]
•  Poland
•  Somalia
•  Romania

• B-10 recoilless rifle

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

Wikimedia Commons has media related to B-11 recoilless rifle.

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

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