Hybrid upper receiver for a rifle
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United States of America Patent
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Jun 30, 2015
Grant Date -
May 21, 2015
app pub date -
Nov 15, 2013
filing date -
Nov 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A combination metal/polymer upper receiver for use in a rifle, with the upper receiver attachable to a lower receiver and to a barrel. The upper receiver comprises a polymeric upper receiver housing defining a chamber. The polymeric upper receiver housing is adapted to engage with mounting features on the lower receiver to attach a lower receiver to the upper receiver at a first connection. A metal insert is secured within the polymeric upper receiver housing and is adapted to engage the barrel. The metal insert further includes an extended member embedded within the polymeric upper receiver housing such that the extended member receives the impact from a bolt carrier group residing within the chamber. An optional metal gas tube channel is located along an upper internal surface of the polymeric upper receiver housing and extends the length of the polymeric upper receiver housing.
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