Browning Choke Tubes. These choke tubes will meet any shooting experience you choose. From shooting skeet to bringing home that trophy gobbler and anything in between. Made from the finest materials and workmanship. Specifications for Browning Choke Tubes 6130743: Manufacturer: Browning Finish: Stainless Fabric/Material: 17-4 Stainless Steel Gauge: 12 Choke Tube System: Browning Invector Plus (+) Gun Make: Browning Quantity: 1 Additional Features: 45 yds Package Contents: Browning Choke Tubes 6130743 The Winchester Signature Series Invector+ Modified 12 Gauge Choke Tube 6130743 is a quality addition to the Browning lineup. For more great deals on Shotgun Chokes by Browning please browse our Browning Weapon Accessories page.