Achilles
- Achilles Mk.I corresponds to American M10 with 3inch gun, "early version" with a "casket" tower and no or smaller counterweights (facing the side like a triangle), on the hull and the tower are anchoring elements for the installation of additional armor - the British received quite enough few of these vehicles ...
- Achilles Mk.II corresponds to American M10 with 3inch gun, "later version" with "wedge-shaped" turret and counterweights pulled backwards (called by the shape of "duckbeak" or "duckbill"), on the hull (except for the frontal armor) are no longer anchoring elements for install additional armor, but remain on the tower
The British had more of them, but most of them were rebuilt into IIC ...
Letter "C" - means development 17 -liberni cannon ... so Achilles Mk.IC a [ url=/viewtopic.php/t/508/title/Achilles-Mk-IIC] Achilles Mk.IIC[/url] ...
During the installation of the "seventeen-pound" was on the mask of the cannon "collar" around the barrel - due to the different outer diameter of the barrel ....