Firearm action and gas system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 21, 2015
Grant Date -
Nov 13, 2014
app pub date -
Dec 17, 2013
filing date -
Dec 17, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A rifle in a bullpup configuration is provided, comprising a receiver having a trigger assembly and a magazine well, and a barrel having a barrel extension attached to the receiver. A gas assist system is attached to the barrel, including a gas housing surrounding the barrel and having an annular expansion chamber, and an annular gas piston slidably disposed within the gas housing. A thrust block is in contact with the gas piston, wherein the thrust block is slidably disposed along one or more action guide members. A rigid slide member extends from the thrust block and behind the trigger assembly. A bolt carrier and bolt are attached to the second end of the slide member and slidably disposed along one or more bolt guide members. The rifle further includes a linear hammer slidably disposed along one or more hammer guide members, and a sear assembly within the receiver having a sear member to retain the hammer, and a disconnector in communication with the sear member to release the hammer upon actuation of the trigger assembly.
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