Browning Goose Band Extended Invector-Plus Choke Tubes LM 12. Browning Goose Band Choke Tubes are a popular accessory for increasing the patterning of your shotgun with relatively little cost. These choke tubes are the same that are used on the factory Vector Pro and back-bored barrels found in many Browning shotguns. Browning Goose Banded Invector-Plus Choke Tubes are the factory spec choke tubes that come installed in Wicked Wing shotguns. They are manufactured from polished stainless steel and are identical to the factory choke tubes that come installed on Wicked Wings. Browning Goose Banded Choke Tubes work with the Vector Pro and back-boring to offer consistent dense shot patterns. Specifications for Browning Goose Band Extended Invector - Plus Choke Tubes: Manufacturer: Browning Fabric/Material: Stainless Steel Gauge: 12 Choke Tube System: Browning Invector Plus (+) Gun Make: Browning Package Contents: Browning Goose Band Extended Invector - Plus Choke Tubes Browning 1138633: Goose Band Extended Invector-Plus Choke Tubes LM 12