Alignment-impact indicator for firearms

Details Alignment-impact indicator for firearms Alignment-impact indicator for firearms

1986-10-16

1988-03-29

Jordan, Charles T.

Firearms

Muzzle making, attaching or repair

33234, F41G 154

Patent

active

047334908

ABSTRACT:
An indicator for adjusting the elevation of a firearm such as a shotgun, comprising a rubber-like grommet having a lesser diameter portion for insertion in the barrel of the gun at the muzzle, a sight guide for mounting on the grommet and having elevation indicia, a screw threaded through the grommet, a washer, and a nut threaded on the screw. Tightening the screw compresses the grommet longitudinally and expands it transversely to affix it in the barrel. At the same time, the mounted sight guide is pressed by an inward facing shoulder of the grommet against the muzzle. The indicia are aligned for zero elevation and then the gun adjusted to aim at the desired elevation indicia over the alignment button. The screw is loosened and the indicator removed so that the adjusted gun may be fired.

REFERENCES:
patent: 1537517 (1925-05-01), Wheeling
patent: 2476981 (1949-07-01), Horton
patent: 3112567 (1963-12-01), Flanagan
patent: 3744133 (1973-07-01), Fukushima et al.
patent: 3908282 (1975-09-01), Steffan
patent: 4057905 (1977-11-01), Piaja
patent: 4090305 (1978-05-01), Cassidy
patent: 4095347 (1978-06-01), Steffan

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