B-11 recoilless rifle

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B-11 recoiless 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, 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.

1 Specifications
2 Ammunition
3 Users
4 See also
5 References
6 External links

[edit] Specifications

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

[edit] Ammunition

A cutaway BK-883 HEAT round.

BK-883 - HEAT. Projectile 7.51 kg. Complete round 12.5 kg. Warhead 1.06 kg of RDX/Aluminium. GK-2 PIBD fuze. Range: 450 m (effective) 1,400 m (max). Penetration 381 mm. Muzzle velocity
O-883A - FRAG-HE. Projectile 8.5 kg. Complete round 13.5 kg. Warhead 2.088 kg Amatol 80/20. GK-2 PIBD fuze. Muzzle velocity: 375 m/s. Range: 1,300 m (direct) 6,650 m (indirect)