Indian Creek Black Diamond Choke Tube 20ga Beretta Benelli .555 Black. With multiple sizes there is plenty of choke tubes to fit your gun. Specifications for Indian Creek Black Diamond 20 Gauge Choke Tube: Manufacturer: Indian Creek Color: Black Gauge: 20 Caliber: 20 Gauge Quantity: 1 Features of Indian Creek Black Diamond Choke Tube: 20ga All Remington .555 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 1101240 Indian Creek Black Diamond Choke Tube 1101241