A number of Colt and Marlin-made machine guns was also provided to Italian forces during World War I to replace similar weapons lost in the retreat that followed the massive Austrian-German breakthrough at the Battle of Caporetto. Besides being chambered for the standard 6.5×52mm Mannlicher–Carcano Italian rifle cartridge, they were converted to liquid cooling with the installation of a narrow brass sleeve around the barrel; M1895/14 machine guns receiving this modification were designated "6.5/80" and employed by the Regia Marina (Royal Italian Navy) as a field weapon for Marine infantrymen defending the mouth of the Piave river. They also appeared on Navy vessels, with as many as four equipping each Italian MAS (torpedo boat), on "Class F" submarines and on some destroyers. The MAS used by Gabriele D'Annunzio in the famous "Beffa di Buccari" and displayed at his former residence ("Vittoriale degli italiani") still mounts a Colt M1895.