Beretta Optima-Choke XP SL2 Extended 12GA Choke Tube. These extended choke tubes are designed for 12 gauge Beretta shotguns threaded to accept the Optimachoke XP choke tube system, such as the Beretta SL2 Over/Under model shotgun. These choke tubes are manufactured from a high quality stainless steel and extend 20mm (0.79") past the barrel. Each choke tube features a colored band that is laser marked for easy identification. The wrench slots are hidden behind the colored bands to enhance the look while creating a snag free choke. Available in extra full, light full, full, improved modified, modified, light modified, improved cylinder, and cylinder. Beretta OptimaChoke XP SL2 Extended 12ga F Choke Tube JCTUBE52