Beretta Optimachoke HP Extended Ported 12GA Choke Tube Improved Modified Black. With internal geometry that has been specifically designed for the ultimate in performance and function this choke will improve the overall performance of your shotgun. Comprised of a high strength stainless steel for improved longevity the Optimahook choke will provide you with years of reliability. The main advantage of the Optimahook choke over competitors tubes is that the Optimahook gets significantly less wear and tear due to shot flex. Additionally the interior of the choke is specially engineered to optimize the expulsion of gases for greater shot velocity. Specifications for Beretta Optimachoke HP Extended Ported 12GA Choke Tube: Manufacturer: Beretta Color: Black Fabric/Material: Stainless Steel Gauge: 12 Gun Make: Beretta Package Contents: Beretta Optimachoke HP Extended Ported 12GA Choke Tube The Beretta Optimachoke Hp Ported 12ga. Full Extended .75" is a quality addition to the Beretta lineup. For more great deals on Choke Tubes by Beretta please browse our Beretta Weapon Accessories page. Beretta C6A467: Optimachoke HP Extended Ported 12GA Choke Tube Improved Modified Black