Beretta 1301 Competition User Manual - Page 22

EN 22 ® BERETTA OPTIMACHOKE HP TUBES Beretta Optimachoke® HP (High Performance) tubes are built in high resistance steel to ensure a long life and rust protection and are designed to withstand the use of steel shot. They can also shoot High Performance steel ammunitions. NOTICE: The Optima-Bore® HP barrel of the 1301 Comp can only mount Optimachoke® HP tubes. Other types of interchangeable Beretta choke tubes are not appropriate for use with optima Bore HP barrels and these will alter the shot pattern distribution or cause damage to the barrel. Beretta Optimachoke® HP tubes Beretta markings 0 (*) 00 (**) 000 (***) 0000 (****) C0000 (C****) American Designation F (Full) IM (Improved Modified) M (Modified) IC (Improved Cylinder) CL (Cylinder) Compatibility of choke tubes with steel shot SP (Steel Proof)(1) Notches on the rim I SP (Steel Proof)(1) II SP (Steel Proof) III SP (Steel Proof) IIII SP (Steel Proof) IIIII (1) Not recommended for steel shot. Optimachoke® and Optima-Bore® are registered trademarks of Fabbrica d'Armi Pietro Beretta S.p.A. CHECKING THE CONDITION OF THE CHOKE TUBES • Always check the appearance and cleaning of the choke tubes before using the shotgun. • Check correct tightness in the barrel with the wrench provided. • Never use choke tubes that show signs of defects, warping or incrustation. • Make sure that the choke tube inserted is appropriate for the intended use and shot type to be used (steel or lead). See "Ammunition" chapter. REMOVAL OF CHOKE TUBE WARNING: Always check that the shotgun is unloaded (empty cartridge chamber, empty receiver, empty magazine). Inspect the firearm by looking through the ejection port, the loading gate and the chamber. If it is not empty, unload it as instructed in the relevant section. WARNING: Never look directly through the barrel from the muzzle and do not