Non-Rusting Stainless Steel
Flush mount, stainless steel tubes available for the many shotguns using the popular Win-Choke thread size and standard Tru-Chokes, plus Remington, Beretta/Benelli, Browning Invector Plus, and Mossberg 835 Ultra Mag. These tubes can be used with magnum and steel shot loads. Tru™-Choke Thinwall tubes are recommended for 2¾" Lead Shot loads ONLY. All X-Full and Turkey constrictions are for use with Lead and Hevi-Shot ONLY!
Big Book Catalog, Issue:72, Page:197
SPECS: 1704 Stainless steel, heat treated. Available for 12 gauge, depending on model. Tru-Choke™-style (T-C): .795"-44 tpi fits 12 ga. Tru-Choke-style. Tru-Choke-style. Win-Choke®-style: .812"-32 tpi (12 ga.) Rem™Choke-style: .814"-32 tpi (12 ga.) Beretta/Benelli: .810"-1mm fits Beretta and Benelli M1 and Super 90. Mossberg 835: .870"-32 tpi (12 ga.) fits Mossberg 835 Ultra Mag. Invector Plus-style: .820"-32 tpi (12 ga.) fits barrels originally equipped with Browning Invector Plus factory tubes.