In fact AV-8B Plus from italy tech tree not different from USMC AV-8B Plus except AGM-65E & AGM-122 Sidearm (USMC exclusive) because Italian navy never bought and never deploy AGM-65E Maverick & AGM-122 Sidearm
It’s not. The T254 was a clean sheet design that was compatible with the L7 ammunition. It was redesigned to use L7 barrels but used American made barrels that had similar breech threads to the L7.
Please don’t ask questions that either: a) we have no way of knowing the answer to or b) have an incredibly obvious answer with any amount of real thinking.
While that doesn’t mean a whole lot considering that Smin said that the Hungarian air sub tree wasn’t coming any time soon only two or three updates before it came, it’s still very unfortunate.