Firearms – Barrels – Choke devices
Patent
1998-09-11
2000-09-05
Jordan, Charles T.
Firearms
Barrels
Choke devices
89 146, F41A 2100, F41C 2700
Patent
active
061124478
ABSTRACT:
A shotgun choke characterized by multiple, radially-arranged, longitudinal blades having blade edges of selected size and shape for contacting and scoring a wad containing the shot in a shotgun shell, causing the wad panels to open upon expulsion from the shotgun barrel and fall short of the shot string. The shotgun choke of this invention can be built integrally with or detachable from the shotgun barrel, typically by means of threads. The displacement blades constrict the wad containing the shot to effect random constriction forces on the encapsulated shot, define linear gas relief passageways and score the wad linearly to facilitate rapid opening of the wad panels upon ejection of the wad and the shot string from the shotgun choke, such that the wad does not interfere with the shot string as the latter continues to the target. Ports are provided in the shotgun choke and connect to the gas relief passageways to reduce recoil.
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B.B.A. Research & Development, Inc
Buckley Denis J
Harrison John M.
Jordan Charles T.
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