Patent ID: 6631580
Filing Date: 2003-10-14
Classification: F41A

Abstract:
In a firearm bore sighting system:a cartridge body formed in the shape of a conventional firearm cartridge, and including a rim at a base end and a shoulder defining an open forward end; wherein the body is formed along a central longitudinal cartridge axis and the shoulder is formed as a frustum of a cone, centered on the cartridge axis with the open forward end at a reduced end of the frustum a bore formed within the cartridge body along the cartridge axis; an optical beam emitting device received within the bore and operable to generate an optical beam coaxially with the cartridge axis, and wherein the body includes an outward surface formed about the cartridge axis, and a reduced label surface spaced radially inward of the outward surface and situated between the forward end and base end, adapted to receive a warning label without said label projecting radially beyond the outward surface.