Method and apparatus for an action system for a firearm
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United States of America Patent
Stats
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Nov 27, 2007
Grant Date -
Nov 24, 2005
app pub date -
Dec 3, 2004
filing date -
Dec 3, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus providing an action system for a firearm. The action system includes a primary roller-lock mechanism located rearward of an ejection port. The primary roller-lock mechanism includes a bolt and a first primary roller caged within the bolt. A bolt carrier ramp is attached to a bolt carrier. A barrel extension ramp is attached to a barrel extension. The first primary roller, bolt carrier ramp, and barrel extension ramp cooperate to effectively delay movement of the bolt and bolt carrier in response to firing of the firearm.
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