The B-11 107mm RCL gun was a recoilless gun that was developed by the Soviet Union in the 1950s. Although it is considered obsolete, some countries may still be using it today.
The B-11 recoilless gun fires HE and HEAT rounds that weigh 19.84 pounds (9kg) and 30 pounds (13.6kg) respectively. .
Ammunition for the B-11 107mm RCL resembles long mortar rounds. It is similar to the ammunition for the smaller SPG-9 73mm RCL.
The B-11 107mm RCL can fire 6 rounds per minute
A HEAT round from the B-11 can penetrate 14.9 inches (380mm)of armor at a range of 492 yards (450m).
The B-11 is relatively lightweight and compact. It weights 672.4 pounds (305kg) and is 10.87 feet (3.314m) long.
It is towed on a two-wheeled carriage and is usually fired from a tripod mount. It can be fired directly from its carriage if necessary.