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US 2014/0150320 A1Published application
Gun barrel rifling
AssigneeF. J. Feddersen, Inc.
InventorFrederick J. Feddersen
Life of this patent
Estimating the term…
Abstract
The present invention relates to rifling of a gun barrel to provide grooves and bores in the gun barrel separated by a single edge area and a polygonal area.
Claims11
A gun barrel having a combination of standard rifling and polygonal rifling comprising helically disposed rifling grooves in a barrel bore and having a single edge area and a flat area between said grooves and said bore.
Dependencies are inferred from the claim text.