What I want to know is why there is a single 7.7mm MG and a single 13.2mm MG in the A6M5b and not two MG of the same caliber? Talk about a logistics nightmare. Why not like the A6M2?
excuse me, I don' have exactry information fo this question.
but, I can consider.
type 3 13.2mm machine gun had promlem of supply .
If you have chance, you can find picture of A6M5c don't have 2x13.2mm.
(A6M5c armament is 20mm x2 and 13.2mm x 2)
this was by type 3's promlem of supply,this machine gun was not product enough numbers for A6M by low Japanese industry.
of cource , Japanese Navy wished to attach new 2x13.2mm to A6M5.
but I consider, it was impossible A6M5 get 13.2mm x2 by this problem.
and Ki43-I had same problem.
all prodact type Ki43-I had type 89 machine gun x1(7.7m) and Ho-103x1(12.8mm) on its nose.
this was by suply problem of Ho-103, and Ki43-II had 2 Ho103 why this problem was solved.