Beretta Choke Tube OptimaChoke HP +Silver 20GA Nickel Alloy Improved Cylinder. Manufactured from high strength steel and finished in a nickel-alloy coating these chokes guarantee significant corrosion resistance and have the ability to withstand the rigors of steel shot. Optima-Choke HP tubes are fully interchangeable on all Beretta barrels that are threaded for Optima-Choke HP. Specifications for Beretta Choke Tube OptimaChoke HP +Silver 20GA: Manufacturer: Beretta Color: Silver Finish: Nickel Alloy Fabric/Material: Stainless Steel Gauge: 20 Gun Make: Beretta Gun Model: Universal Additional Features: Extended Condition: New Package Contents: Beretta Choke Tube OptimaChoke HP +Silver 20GA The Beretta Optimachoke Hp 20ga Modified Extended .75" is a quality addition to the Beretta lineup. For more great deals on Shotgun Chokes by Beretta please browse our Beretta Weapon Accessories page. Beretta C6A086: Choke Tube OptimaChoke HP +Silver 20GA Nickel Alloy Improved Cylinder