ENHANCED LIFE BARREL
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United States of America Patent
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-
N/A
Issued Date -
May 31, 2012
app pub date -
Aug 30, 2011
filing date -
Aug 31, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A firearm having a stock and an enhanced life barrel attached to the stock. The enhanced life barrel has a tapered bore and either parabolic or 5R rifling. The barrel includes a chamber and a throat. Each of the tapered bore, the chamber, and the throat are lapped and polished to a finish of about 15Ra of better. The enhanced life barrel includes a ferritic nitrocarburizing finish of greater than about 0.0003 inches thick.
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