This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order. \r\nThese Competition chokes can be used on all Mobilchoke barrels. Made of high quality steel, they are of a great stress resistance due to heat treatments. They are subjected to a special coating that guarantees high protection to corrosion. They are extended by 25mm-0.98 and their external shape has been studied in order to guarantee installation and de-installation without specific tools. The end of the choke is identified by a colored alloy stripe for fast and easy indication of the constriction. These chokes are for 12 gauge shotguns only.Fits: Beretta Silver Pigeon I (field models), A300 Outlander, 687 (field models), Some 391 Models Beretta JCMEV16 Mobilchoke Victory CT 12ga IC Extended, Silver with Colored Band: Type: Extended Gauge: 12 Gauge Choke Size: Improved Cylinder Configuration: Mobilchoke Finish: Silver with Colored Band Constriction: .008 Recommended For: 30 yds Material: Stainless Approved: Steel, Lead, Non-Tox



