Start of lstUrls_of_images_in_html_description Product Number: C6207 Beretta Optima-Choke HP tubes stand up to the heat of competition. Manufactured from high strength steel and finished in a nickel-alloy coating, these chokes guarantee significant corrosion resistance and have the ability to withstand the rigors of steel shot. Optima HP choke tubes are fully interchangeable on all Beretta barrels that are threaded for OptimaChoke HP. Features Fits* Beretta A400 Xtreme, A400 Xplor, A400 Xcel, 690, 692, DT11, A300 Xtrema, SV10 High strength with nickel-alloy coating for a long lasting lifespan Constrictions Cylinder – #C62074 Improved Cylinder – #C62073 Improved Modified – #C62071 Modified – #C62072 Full – #C62070 *WARNING: Use of the Optima HP choke tube in an Optima firearm (without the HP designation) can cause severe damage to the choke tube and barrel when the shotgun is fired. Only use Optima HP choke tubes in these Optima HP shotguns: SV10 Perennia, SV10 Prevail, A400 Family of shotguns, 690, 692, DT-11 and UGB25 Sporting. End of lstUrls_of_images_in_html_description