Firearms – With adjustable head space – By reaming
Patent
1983-06-20
1985-04-09
Jordan, Charles T.
Firearms
With adjustable head space
By reaming
33245, 33261, F41G 138
Patent
active
045092826
ABSTRACT:
A unitary metal base substantially rectangular shaped in planar configuration though having a curved upper surface in intermediate location provided with mounting screw holes therein to receive screws for fastening thereof on firearms including rifles, shotguns, pumpguns and automatic weapons having at least one barrel and stock longitudinally spaced from each other as joined to an intermediate firing mechanism. A scope is held by front and rear scope-support loop pieces secured on the unitary metal base in axially and longitudinally aligned loop portions thereof spaced parallel above the base. A flattened, reduced-size end is integral with the base and is recessed to receive in combination therewith a front sight member including a longitudinal rib and aiming projection, an elevated and enlarged end integrally joined to the base at a location axially and longitudinally remote from the reduced-size end. The enlarged end has T-shaped recessing complementary to receive also in combination therewith a rear sight member with a transverse groove carrying a downwardly notched transverse plate in the transverse groove. A continuous rail-like rib projects downwardly and extends accurately longitudinally aligned along an underside of the base from end to end thereof for complementary fixation on the upper surface of the intermediate firing mechanism.
REFERENCES:
patent: 2763930 (1956-09-01), Ivy
patent: 3463430 (1969-08-01), Rubin et al.
patent: 3555687 (1971-01-01), Joseph
patent: 3556889 (1971-01-01), Grahn
patent: 3835565 (1974-09-01), Weast
patent: 3875675 (1975-04-01), Krisay
patent: 4000574 (1977-01-01), Grant
patent: 4026055 (1977-05-01), Weast
Jordan Charles T.
Mack's Guns
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