Carlsons Beretta/Benelli Replacement Choke Tube. Fits standard Beretta/Benelli mobile choke system. Are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than BB should not be used in any choke tighter than full. Lead, Copperplated, Nickel, Hevi-Shot, or Bismuth may be used in these choke tubes. Benelli/Beretta 12ga Full Flush Mount Choke Tube.
Beretta Benelli, Constriction-Full, Diameter is .695 Carlsons item #16616