Beretta OptimaChoke HP 20 Gauge Extended Choke Tube Improved Modified Silver. Contrary to popular belief it is not necessary to have a tool to be able to quickly and easily change out the choke. Simply unscrew the existing choke from the rotating head slide a new one into the grooves make the appropriate adjustments and you're ready to load your new choke tube. Contrary to popular belief changing out a choke tube is quick and easy: simply lift the hood make the necessary adjustments and you're ready to load. Specifications for Beretta OptimaChoke HP 20 Gauge Extended Choke Tube: Manufacturer: Beretta Color: Silver Fabric/Material: Stainless Steel Gauge: 20 Choke Tube System: Beretta Optima HP Gun Make: Beretta Package Contents: Beretta OptimaChoke HP 20 Gauge Extended Choke Tube The Beretta Optimachoke Hp 20ga Cylinder 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 C6A084: OptimaChoke HP 20 Gauge Extended Choke Tube Improved Modified Silver