These flush mount choke tubes are for the Benelli Crio/Crio Plus system and made from 17-4 heat treated stainless steel. Steel Lead and Hevi-Shot may be used in all constrictions with the exceptions listed below. These choke tubes are backed by Carlson's Lifetime Warranty and are made in the USA!

• No steel shot larger than BB or speeds exceeding 1550 fps should be used in choke tubes tighter than Full
• Steel shot should not be used in the turkey constrictions