Browning Goose Band Extended 16 Gauge Invector-DS Choke Tube Modified. Goose Banded extended choke tubes are one of the signature features of Browning Wicked Wing shotguns. The authentic-looking leg band motif on the extended portion of the tube will appeal to every die-hard waterfowler. Specifications for Browning Goose Band Extended 16 Gauge Invector-DS Choke Tube: Manufacturer: Browning Color: Steel Gauge: 16 Choke Tube System: Browning Invector DS Package Contents: Browning Goose Band Extended 16 Gauge Invector-DS Choke Tube Browning 1138773: Goose Band Extended 16 Gauge Invector-DS Choke Tube Modified