Description: Benelli Crio Flush Stainless 12ga Choke Tube, Improved Cylinder. Fits Benelli Super Black Eagle II, M2, Montefeltro, Legacy, Vinci, Supersport, and UltraLight shotguns. Fits Benelli Field Guns threaded for Crio choke tubes manufactured after 1994. Will also fit any ported barrels threaded for Crio chokes manufactured after 2008.