Beretta Optima Improved Cylinder Choke

Beretta Optima Improved Cylinder Choke for use with Beretta 682, some 687 models, Silver Hawk, DT10, Some 391 models including Urika and Teknys.  I have too many of the IC and will trade even for other Optima Extended choke restrictions (full, light full, imp mod, mod, light mod, or skeet)  $40 OBO