Gas block valve stem for modifying the firing rate of a machine gun
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United States of America Patent
Stats
-
Jan 26, 2016
Grant Date -
N/A
app pub date -
Dec 10, 2014
filing date -
Jan 16, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A reversible modification to the gas block of a machine gun reduces the rate of fire to the machine gun's design rate for use when a suppressor has been added to the barrel and which suppressor would, without the present modification, elevate the firing rate from the machine gun's design rate. The modification is the use of a stem inserted into the bore of the gas block nozzle to further limit the combustion gas being delivered to the machine gun's operating group. A hole formed in the stem restricts gas flow. The stem seats against the gas block nozzle and is held in place by the cap covering the gas block but may alternatively be held in place in several alternative ways described. Removal of the cap allows the stem to be removed from the gas block when the suppressor has been removed from the machine gun barrel.
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