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Cartridge, 25mm Dummy M794 Linked

The Cartridge, 25mm Dummy M794 Linked (DODIC A967) is used for non-firing system checkout used with the 25mm M242 Automatic Cannon for training of the crew. This M794 Cartridge is a modified M793 Target Practice with Tracer (TP-T) projectile silver brazed to a modified standard cartridge case and is completely inert. The cartridge case cavity is filled through an enlarged primer hole with an epoxy resin filler to approximate the weight of the M792 High Explosive Incendiary-Tracer (HEI-T) and M793 TP-T Service Cartridges. The threaded nose of the TP-T projectile is silver brazed to the projectile body to improve physical integrity. The external configuration of the M794 metal dummy cartridge (by use of standard components) is the same as that of the M792 HEI-T and M793 TP-T Service Cartridges. These cartridges are linked together by the M28 link.

The M794 dummy round is a Class V item Previous dummy rounds were made from fired casings and had plastic tips. Because the casing of a fired round is slightly expanded, such rounds could get stuck in the breech of the 25-mm gun. The use of such rounds should be discontinued and the cast metal rounds requisitioned. The M794 dummy round can be used to train crewmembers in the following tasks.

• Load and unload the HE and AP ready boxes.
• Load the 25-mm feeder.
• Apply immediate action on the 25-mm.
• Unload and clear the 25-mm gun.