Blowback bolt upper receiver and barrel assembly
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United States of America Patent
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Sep 30, 2014
Issued Date -
N/A
app pub date -
Jun 17, 2013
filing date -
Jan 18, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed herein is a modified upper receiver assembly and method of assembly, which in one form is operatively configured to be fitted to a conventional lower receiver of a rifle so the user can use their normal lower receiver having a pistol grip, trigger assembly and butt stock. The upper receiver is configured to provide a blowback bolt assembly of larger mass than would be possible with similar density materials of a bolt fitted within an upper receiver conventionally made for said lower receiver.
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