| 摘要 |
A revolver is provided with two cylinders, each of which is alignable in a firing position, a storage position, or a loading position. The cylinders are carried by a crane that pivots to orient the cylinders in a selected one of the above three positions. When one cylinder is in the firing position, the other cylinder will be in the storage position. A cartridge retaining ring secures cartridges within a cylinder as the cylinder travels from the storage position to the firing position. An ejector mechanism is provided on each cylinder to expel spent cartridges from cylinder chambers. Advantageously, the two cylinders can be loaded with two different types of ammunition.
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