Beretta Choke Tube OptimaChoke HP Flush 20GA Nickel Alloy Improved Cylinder. Manufactured from high strength steel and finished in a nickel-alloy coating these Chokes from Beretta guarantee significant corrosion resistance and have the ability to withstand the rigors of steel shot. The Beretta Optima-Choke HP Choke Tubes are fully interchangeable on all Beretta barrels that are threaded for Optima-Choke HP. Specifications for Beretta OptimaChoke HP Flush 20Gauge Choke Tube: Manufacturer: Beretta Color: Silver Fabric/Material: Steel Choke Tube System: Beretta Optima HP Gun Make: Beretta Quantity: 1 Condition: New Features of Beretta Optimachoke HP Flush Choke Tube: Finished in a nickel-alloy coating Guarantee significant corrosion resistance have the ability to withstand the rigors of steel shot Optima-Chokec HP tubes are interchangeable all Beretta barrels that are threaded for Optima-Choke HP Package Contents: Beretta OptimaChoke HP Flush 20Gauge Choke Tube Beretta C61851: Choke Tube OptimaChoke HP Flush 20GA Nickel Alloy Improved Cylinder