Carlson's Flush Mount Full Choke tube for Beretta/Benelli Mobil 20ga .590

Made from 17-4 heat treated stainless steel, these chokes are for the Beretta/Benelli Mobil shotguns.Steel, Lead, & Hevi-Shot may be used in all constrictions with the exceptions listed below.No Steel shot larger than #BB or speeds exceeding 1550 fps should be used in choke tubes tighter than full.No steel shot larger than #4 allowed in the Turkey constriction