| 摘要 |
An in breech training device for use with an emitter communicator for emitting an emission and receiving a return communication, includes a sleeve, disposable in a chamber of a gun barrel of a gun, the sleeve having an emitter receiver defined therein, and the emitter being disposable in the emitter receiver such that an emission emitted from the emitter communicator is automatically aligned with the gun barrel by the sleeve. A method of forming an in breech training device is further included.
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