6.35 is the European designation for the .25 Auto.
438614 + 63528 = 502,142
any 45 cal ammo will work in a 45 cal pistol
No
No
NO
No.
Yes it is
Your modifying the pistol beyond manufacture specks. it is not safe to do so.
Submachine gun rated 9mm
yes
No.
No such caliber as .32 Special. Use the caliber of ammo marked on the gun.