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 fp/s) . Range: 1,300 m (1,420 yd) (direct) 6,650 m (7,270 yd) (indirect)
Users
Current users
: 60
Former users
: some used during Biafran War
See also
B-10 recoilless rifle
References
External links
https://web.archive.org/web/20110911042921/http://www.bratishka.ru/archiv/2004/7/2004_7_8.php