SELECT "Weight of Shot" FROM table_6585 WHERE "Designation (bore)" = 'xx-inch'
what is the weight of a shot that is xx-inch?
CREATE TABLE table_6585 (
    "Designation (bore)" text,
    "Length Overall" text,
    "Weight of Gun" text,
    "Weight of Shot" text,
    "Weight of Shell" text,
    "Service Charge" text,
    "Range (yards)" text
)