Indian Creek Black Diamond Choke Tube 28ga Browning Inv Plus .525 Black. With multiple sizes there is plenty of choke tubes to fit your gun. Specifications for Indian Creek Black Diamond 28 Gauge Choke Tube: Manufacturer: Indian Creek Color: Black Gauge: 28 Caliber: 28 Gauge Condition: New Features of Indian Creek Black Diamond Choke Tube: 28ga Browning Inv + .525 Proven to increase pattern density by 40percent 30 Parallel Ports to reduce recoild Can be tighted by hand NWTF World Record target holder 3 years running Package Contents: Indian Creek Black Diamond Choke Tube 1101247 Indian Creek Black Diamond Choke Tube 1101247