Talk:10cm Twin High-angle Gun Mount/@comment-76.31.162.254-20160818213823/@comment-27069434-20160819075142

Er' not exactly. They're a separate gun used to replace the 127s early models. The Upgraded 127's themselves are referred to as 127 twin late mod.,  the same with the "high angle mount" added to the name and all the previous plus the fire director add-on. Guns don't change caliber due to modernisation, only the carriage (single, twin-linked, triple...), length of the barrel (not sure if it is directly mentioned in the game), elevation/traverse gear, sights, I think some guns also change the rifling angle or add/remove the recoil dampeners.