Gas operating system for an automatic firearm
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United States of America Patent
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Jun 1, 2021
Grant Date -
Jan 23, 2020
app pub date -
Jan 22, 2019
filing date -
Jan 22, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques and architectures are disclosed for a gas operating system for a firearm. The system includes a barrel having a bore including a rifled portion. Attached to the barrel is a gas block. Located distally of the rifled portion of the bore is a gas expansion chamber in fluid communication with the bore and the gas block. In some examples, the gas expansion chamber includes a diameter at least twice the bore diameter. The gas block of the gas operating system, in some examples, includes a piston, where in response to receiving gases from the gas expansion chamber, the piston cycles the gas operating system.
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