| 摘要 |
A practice targeting and shooting system having a laser emitter and a light detector which is attachable to a shotgun. Reusable, reflective disc-like targets are launched by a thrower. The shooter arms the shotgun and actuates the emitter. If a predetermined portion of the light beam strikes the target, it is reflected and sensed by the detector which registers a "hit" by a suitable audible and/or visual signal.
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