Briley Mobil Extended 12 Gauge Choke Black Oxide Light Modifird. Briley Chokes give you complete control of your shotguns range as well as reliable consistent patterns. The extension provides a longer choke with a more gradual taper a longer parallel section towards the muzzle (thus leading to fewer flyers and more uniform patterns). Many shooters like the advantage of knowing which choke is in the barrel without removing it by simply noting the color coding on the portion of the choke tube extended from the muzzle. Plus the added convenience of being able to change the choke tubes on the range or in the field without a choke tube wrench. Specifications for Briley Mobil Extended 12 Gauge Choke: Manufacturer: Briley Gauge: 12 Gun Make: Beretta Quantity: 1 Features of Briley Extended Cylinder Choke Tube For Beretta: 12 Gauge Full Package Contents: Briley Mobil Extended 12 Gauge Choke The Briley Extended Cylinder Choke Tube For Beretta EXTCL is a quality addition to the Briley lineup. For more great deals on Shotgun Chokes by Briley please browse our Briley Weapon Accessories page. Briley BERX2B12LM: Mobil Extended 12 Gauge Choke Black Oxide Light Modifird