1941 HS.404 is an autocannon
Aircraft guns Hispano-Suiza HS.404
A suitable belt-feeding system was developed by Martin-Baker Hispano-Suiza · Switzerland France→
Aircrafttotal · Encyclopedia
1941 HS.404 is an autocannon
Aircraft guns Hispano-Suiza HS.404
A suitable belt-feeding system was developed by Martin-Baker Hispano-Suiza · Switzerland France→