Patent ID: 6112447
Filing Date: 2000-09-05
Classification: F41A

Abstract:
A shotgun choke for controlling a shot string and a wad ejected from a shotgun barrel, said choke comprising an elongated choke body provided on the shotgun barrel, said choke body having a longitudinal bore having a substantially circular cross-section and uniform diameter throughout the length of said bore; a plurality of ports provided in said choke body for expelling gases from the shotgun barrel; a plurality of longitudinally-disposed, substantially parallel blades provided in said bore of said choke body; a plurality of gas relief passageways defined by said blades and the wad, said gas relief passageways communicating with said ports for channeling the gases through said gas relief passageways to said ports, said blades each comprising an elongated blade base provided in said choke body and a blade edge extending from said blade base into said bore for engaging and scoring the wad and wherein said gas relief passageways are defined by said blade edge and the wad for scoring the wad and causing the wad to fall away from the shot string when the wad and shot string are ejected from the shotgun barrel and choke.