Telescoped ammunition

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Telescoped ammunition is an ammunition design in which the projectile is partially or completely enveloped by the propellant. Examples include ammunition for both hand weapons and artillery. Caseless ammunition is often telescoped. Telescoped ammunition has advantages in comparison with traditional ammunition cartridges. It can have a shorter overall length than a traditional round of comparable mass, while having similar ballistics. In addition, telescoped rounds may avoid the risk of damage to the projectile during the loading process, and may simplify and increase the reliability of magazines and other feed mechanisms. The Rikhter R-23 autocannon was chambered in the 23x260 mm telescoped round. It took some time to develop as it remained a military secret for a long time, and was not used operationally until 1964. It was used only in the tail turret of the Tu-22, and experimentally on the Salyut 3 space station. A modified version of the weapon was the only cannon to have been fired...

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