Briley Beretta Optima Plus Ported Shotgun Choke 12 Gauge Skeet .005. This Shotgun Choke by Briley is designed to get your shotgun loaded and ready to shoot in mere seconds. The Briley Beretta Optima Plus Shotgun Choke Tube is machined from stainless steel for incredible durability that will provide you with years of efficient use. This Briley Choke Tube is made with a one-piece stainless steel main block that is black oxide finished and can be used with Lead Copper-plated Hevi-shot and even tungsten carbide to deliver unsurpassed performance. Specifications for Briley Beretta Optima Plus Extended Black Oxide Ported Shotgun Choke Tube: Manufacturer: Briley Gauge: 12 Choke Tube System: Beretta Optima Plus Gun Make: Beretta Quantity: 1 Package Contents: Briley Beretta Optima Plus Extended Black Oxide Ported Shotgun Choke Tube Briley BOPX2P12SK: Beretta Optima Plus Ported Shotgun Choke 12 Gauge Skeet .005