Indian Creek Black Diamond Choke Tube 12 ga. Browning Invector DS A5 .670 Black. With multiple sizes there is plenty of choke tubes to fit your gun. Specifications for Indian Creek Black Diamond 12 Gauge Choke Tube: Manufacturer: Indian Creek Color: Black Gauge: 12 Caliber: 12 Gauge Quantity: 1 Features of Indian Creek Black Diamond Choke Tube: All Remington .665 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 1101231 Indian Creek Black Diamond Choke Tube 1101238