Staged gas system
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United States of America Patent
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-
Jan 5, 1993
Grant Date -
N/A
app pub date -
Sep 12, 1990
filing date -
Sep 12, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
As the primary mass is driven by gas trapped from the barrel of a weapon being fired, it unlocks the bolt and carries it rearward to start the cycling action to operate the weapon. Until the bolt is unlocked a smaller area of the primary mass is exposed to the gases and a larger area is used after the unlocking and the secondary mass is contacted.
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