Beretta SV10 Prevail III Beretta SV10 Perennia/Preveil User Manual - Page 21
Beretta, Optimachoice, Tubes
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BERETTA OPTIMACHOICE' HP TUBES Beretta Optimachokev HP tubes are made of high•resistance steel which Is a guarantee of long life and protection against corrosion and have been designed to withstand the rigors of nontoxic steel shot. Optimachoke HP tubes are fully interchangeable on all Beretta barrels that are threaded for Optimachokes HR Axed Chokes and Beretta's Optimachoke• HP Designations Standard Markings American Designation Rim Notches Coke Tube Compatibility with Steel Shot On F (Full) I SF". 00(••) IM (Improved Modified) II SP'' 000(•••) M (Modified) Ill SP 0000(•'") IC (Improved Cylinder) ((III) SP C0000(CT***) CL (Cylinder) (IIIII) SP SK(Skeet Beretta)" SK (Skeet) (Without) SP ."Not recommended. " Special Beretta skeet choke with negative value. Optimachoke- HP is a registered trademark of Fabbrica cilumi Pietro Beretta S.p.A. Extra Long Tube (Band Color) White Black Green Yellow Blue Red REMOVING THE CHOKE TUBES WARNING: Check that the shotgun is unloaded (empty cartridge chambers). If it is loaded, unload following the procedure described in the relevant section. WARNING: Never look directly through the barrels from the muzzle and do not replace the chokes with the shotgun loaded even with the safety engaged. • Engage the safety • Pivot the barrels in a downward motion or remove them from the receiver. • Unscrew the chokes counterclockwise with the spanner provided (Fig. 18). • Remove the chokes from the muzzle. CLEANING THE CHOKE TUBES AND THEIR SEATS WARNING: Check that the shotgun is unloaded (empty cartridge chambers). If it is loaded, unload following the procedure described in the relevant section. WARNING: Never look directly through the barrels from the muzzle and do not replace the chokes with the shotgun loaded even with the safety engaged. • Make sure the safety is engaged. • Pivot the barrels in a downward motion or remove them from the receiver. • Clean the choke housings thoroughly using, if necessary, a brush swab soaked with good quality Gun Oil. • Check the choke tubes if they are perfectly clean inside and outside and make sure of the perfect condition of the chokes before installing them. 53 6