12 gauge Browning Invector Plus Choke Tube(.740) $49.99 Select Bore: Factory Custom If Custom, please enter diameter: Select Constriction/Type: .000(Cyl.)-Ported .000(Cyl.)-Non-Ported .005(Skeet)-Ported .005(Skeet)-Non-Ported .010(Improved)-Ported .010(Improved)-Non-Ported .015(Lt. Modified)-Ported .015(Lt. Modified)-Non-Ported .020(Modified)-Ported .020(Modified)-Non-Ported .025(Improved Modified)-Ported .025(Improved Modified)-Non-Ported .030(Light Full)-Ported .030(Light Full)-Non-Ported .035(Full)-Ported .035(Full)-Non-Ported .040 - Ported .040 - Non-Ported Cobra(Spreader Tube)-Ported Cobra(Spreader Tube)-Non-Ported