Today, 03:50
Marcel,
Apologies for any confusion!
What I was attempting to point out was that whilst the outboard stub on the FlyingIrons MK.IX is there and in the correct place, it is not hemispherical as it should be, as can be seen in the first picture I posted (which actually is of a MK.Vc - AR501), and in those pictures of the MK.IXs that you posted.
(As you probably know, the 'e' armament wing deleted the 4 x 303 inch machine guns, and had a 0.5 inch machine gun mounted inboard of the cannon, whilst the Hispano MK.II cannons where mounted outboard of the 0.5, and further back, hence the shorter fairing for the cannon and blister further back on the upper wing).
The reason I posted the pictures of the 'e' wing cannon arrangement was to show how FlyingIrons has appeared to have...