Retractable inner barrel structure of a bolt
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United States of America Patent
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N/A
Issued Date -
Jan 11, 2007
app pub date -
Jul 11, 2005
filing date -
Jul 11, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A retractable inner barrel structure of a bolt includes a bolt handle which is installed inside a latching groove of a flexible outer barrel with a fixing pin and a spring, and is passed through a gliding groove of a gun barrel, so as to be fixed into a restraining part of the gliding groove, upon pulling back the flexible outer barrel. A retractable inner barrel is located inside the flexible outer barrel, and is provided with two racks at two sides of the retractable inner barrel. Moreover, a spring for fixing a gun barrel shroud is mounted on one of the racks, and a pillar and a seat are also located inside the retractable inner barrel. The gun barrel shroud is provided with a latching groove and an adjusting device including a poking switch for adjusting a trajectory is also installed inside the gun barrel shroud.
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