Barrel assembly for home security weapon

Details Barrel assembly for home security weapon Barrel assembly for home security weapon

1991-10-24

1992-10-13

Johnson, Stephen M.

Ordnance

Barrels

42 79, 42 78, F41A 2140

Patent

active

051552914

ABSTRACT:
A shotgun barrel assembly for producing a prematurely enlarged shot pattern has an axially position on barrel and a barrel extension mounted in fixed position on the forward end of the barrel. The barrel defines a shell chamber and a bore which communicates with and extends forwardly of the shell chamber and opens through the forward end of the barrel. A portion of the bore forward of the shell chamber is generally cylindrical and terminates at a conically tapered forwardly diverging portion which opens through the forward end of the barrel and has an axial length at least equal to eight times the diameter of the cylindrical portion. The barrel extension defines an expansion portion which forms an extension of the bore and which has a diameter greater than the major diameter of the conically tapered portion. Compensating slots may be formed in the barrel extension portion.

REFERENCES:
patent: 1636357 (1927-07-01), Cutts
patent: 2323306 (1943-07-01), Campbell
patent: 3226871 (1966-01-01), Sargeant et al.
patent: 3284942 (1966-11-01), Moseley
patent: 3676947 (1972-07-01), Ashbrook et al.
patent: 4722261 (1988-02-01), Titus

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