B-11 recoilless rifle
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File:B-11-107mm-recoilless-rifle-batey-haosef-2-1.jpg
B-11 recoilless rifle in Batey ha-Osef Museum, Israel.
The B-11 recoilless rifle (It is also known as RG107) is a Soviet 107 mm smoothbore recoilless rifle. It entered service in 1954,[1] and was typically towed by a 6x6 ZIL-157 truck or a UAZ 4x4 truck.
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
File:B-11-107mm-recoilless-rifle-batey-haosef-1-1.jpg
B-11 recoilless rifle in Batey ha-Osef Museum, Israel.
- Crew: 5
- Calibre: 107 mm (4.21 in)
- Weight: 304.8 kg (672 lbs)
- 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
File:BK-883-cutaway.JPG
A cutaway BK-883 HEAT round.
- BK-883 - HEAT.
Projectile 7.51 kg (16.5 lbs).
Complete round 12.5 kg (27.5 lbs).
Warhead 1.06 kg (2.3 lbs) of RDX/Aluminium.
GK-2 PIBD fuze.
Range: 450 m (494 yds) (effective) 1,400 m (1,531 yds) (max).
Penetration 381 mm (15 in).
Muzzle velocity - O-883A - FRAG-HE.
Projectile 8.5 kg (19 lbs).
Complete round 13.5 kg (30 lbs).
Warhead 2.088 kg (4.6 lbs) Amatol 80/20.
GK-2 PIBD fuze.
Muzzle velocity: 375 m/s (1,230 fp/s).
Range: 1,300 m (1,421 yds) (direct) 6,650 m (7,272 yds) (indirect)
Users
The weapon was used by Bulgaria, Cambodia, China, East Germany, Egypt, Iraq, North Korea, North Vietnam and Poland.
See also
References
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