Rotary Chamber Mechanisms

tance when the gun is fired and therefore may not receive proper support. In addition, the round is of an awkward shape for rapid feeding and the thin, unsupported front portion of the case can easily be damaged in handling or in the ramming phase nf the loading cycle.

If ammunition of conventional form is to be used, it is not practical to use the method of sealing described above because it would be necessarv for j the cartridge to protrude too far beyond the front face of the cylinder. The exposed portion of the cartridge would have to include the entire length of the projcctilc forward of the crimp as well as the part of the case neck which is to enter the barrel. This means that the cylinder would have to be cammed forward and back again through this whole

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